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311130201324231 = 32883110151385639
BaseRepresentation
bin100011010111110001010010…
…1001000001111101011000111
31111210121202102200100211201100
41012233202211020033223013
5311240024123014333411
63021415124042031143
7122351262300652032
oct10657424510175307
91453552380324640
10311130201324231
1190154639555423
122aa8b14aaa84b3
131047b5b532c653
1456b8ad40c2019
1525e8325898456
hex11af8a520fac7

311130201324231 has 24 divisors (see below), whose sum is σ = 449506624020480. Its totient is φ = 207375677586000.

The previous prime is 311130201324203. The next prime is 311130201324269. The reversal of 311130201324231 is 132423102031113.

311130201324231 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 3 + 0 + 201 + 32 + 423 + 1 = 666.

It is not a de Polignac number, because 311130201324231 - 214 = 311130201307847 is a prime.

It is a super-2 number, since 2×3111302013242312 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311130201324195 and 311130201324204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311130201324281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806598510 + ... + 806984148.

It is an arithmetic number, because the mean of its divisors is an integer number (18729442667520).

Almost surely, 2311130201324231 is an apocalyptic number.

311130201324231 is a deficient number, since it is larger than the sum of its proper divisors (138376422696249).

311130201324231 is a wasteful number, since it uses less digits than its factorization.

311130201324231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404627 (or 404624 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 311130201324231 its reverse (132423102031113), we get a palindrome (443553303355344).

The spelling of 311130201324231 in words is "three hundred eleven trillion, one hundred thirty billion, two hundred one million, three hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 8831 10151 26493 30453 79479 91359 385639 1156917 3470751 89643481 268930443 806791329 3405578009 3914621489 10216734027 11743864467 30650202081 35231593401 34570022369359 103710067108077 311130201324231