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20323116056331 = 32116718133750231
BaseRepresentation
bin1001001111011110110000…
…00111001111111100001011
32122221212111220022212100100
410213233120013033330023
510130433220202300311
6111120151032340443
74165203522131424
oct447573007177413
978855456285310
1020323116056331
116525a92211620
12234290a544723
13b4560024768a
1450390345c64b
152539b6b2ba56
hex127bd81cff0b

20323116056331 has 96 divisors (see below), whose sum is σ = 32779480720896. Its totient is φ = 12030125184000.

The previous prime is 20323116056279. The next prime is 20323116056357. The reversal of 20323116056331 is 13365061132302.

20323116056331 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 3 + 1 + 1 + 60 + 563 + 31 = 666.

It is not a de Polignac number, because 20323116056331 - 218 = 20323115794187 is a prime.

It is a super-2 number, since 2×203231160563312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20323116056531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 404567986 + ... + 404618216.

It is an arithmetic number, because the mean of its divisors is an integer number (341452924176).

Almost surely, 220323116056331 is an apocalyptic number.

20323116056331 is a deficient number, since it is larger than the sum of its proper divisors (12456364664565).

20323116056331 is a wasteful number, since it uses less digits than its factorization.

20323116056331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50833 (or 50830 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

Adding to 20323116056331 its reverse (13365061132302), we get a palindrome (33688177188633).

The spelling of 20323116056331 in words is "twenty trillion, three hundred twenty-three billion, one hundred sixteen million, fifty-six thousand, three hundred thirty-one".

Divisors: 1 3 9 11 33 67 99 181 201 337 543 603 737 1011 1629 1991 2211 3033 3707 5973 6633 11121 12127 17919 22579 33363 36381 50231 60997 67737 109143 133397 150693 182991 203211 248369 400191 452079 548973 552541 670967 745107 1200573 1657623 2012901 2235321 3365477 4086799 4972869 6038703 9091811 10096431 12260397 16927847 27275433 30289293 36781191 37020247 44954789 50783541 81826299 100009921 111060741 134864367 152350623 186206317 300029763 333182223 404593101 558618951 609151337 900089289 1134165749 1675856853 1827454011 3063940307 3402497247 5482362033 6700664707 9191820921 10207491741 12475823239 20101994121 27575462763 33703343377 37427469717 60305982363 101110030131 112282409151 205284000569 303330090393 615852001707 1847556005121 2258124006259 6774372018777 20323116056331