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31022054204412 = 2232639829548227
BaseRepresentation
bin1110000110110111000101…
…00001010110001111111100
311001211200100021222211220210
413003123202201112033330
513031231131334020122
6145551200203512420
76351161264652255
oct703334241261774
9131750307884823
1031022054204412
119980419945167
123590347228710
1314404a0857a8b
14793692843b2c
1538be4c7c940c
hex1c36e28563fc

31022054204412 has 24 divisors (see below), whose sum is σ = 72660020501376. Its totient is φ = 10301366540848.

The previous prime is 31022054204387. The next prime is 31022054204413. The reversal of 31022054204412 is 21440245022013.

It is a happy number.

It is a super-2 number, since 2×310220542044122 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31022054204412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022054204413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4914770958 + ... + 4914777269.

It is an arithmetic number, because the mean of its divisors is an integer number (3027500854224).

Almost surely, 231022054204412 is an apocalyptic number.

It is an amenable number.

31022054204412 is an abundant number, since it is smaller than the sum of its proper divisors (41637966296964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31022054204412 is a wasteful number, since it uses less digits than its factorization.

31022054204412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829548497 (or 9829548495 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 31022054204412 its reverse (21440245022013), we get a palindrome (52462299226425).

The spelling of 31022054204412 in words is "thirty-one trillion, twenty-two billion, fifty-four million, two hundred four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 263 526 789 1052 1578 3156 9829548227 19659096454 29488644681 39318192908 58977289362 117954578724 2585171183701 5170342367402 7755513551103 10340684734804 15511027102206 31022054204412