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31010111232423 = 3831373112922961
BaseRepresentation
bin1110000110100000110101…
…01010100001100110100111
311001210112111222012000021220
413003100122222201212213
513031032201433414143
6145541503132311423
76350256315244041
oct703203252414647
9131715458160256
1031010111232423
1199763503a4584
123589b73612573
13143c31946c54b
14792c7c62ca91
1538b99e070d83
hex1c341aaa19a7

31010111232423 has 32 divisors (see below), whose sum is σ = 42285953428992. Its totient is φ = 20210046950400.

The previous prime is 31010111232413. The next prime is 31010111232469. The reversal of 31010111232423 is 32423211101013.

It is not a de Polignac number, because 31010111232423 - 213 = 31010111224231 is a prime.

It is a super-2 number, since 2×310101112324232 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31010111232393 and 31010111232402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010111232413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9147663 + ... + 12070623.

It is an arithmetic number, because the mean of its divisors is an integer number (1321436044656).

Almost surely, 231010111232423 is an apocalyptic number.

31010111232423 is a deficient number, since it is larger than the sum of its proper divisors (11275842196569).

31010111232423 is a wasteful number, since it uses less digits than its factorization.

31010111232423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923495.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31010111232423 its reverse (32423211101013), we get a palindrome (63433322333436).

The spelling of 31010111232423 in words is "thirty-one trillion, ten billion, one hundred eleven million, two hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 3 83 137 249 311 411 933 11371 25813 34113 42607 77439 127821 2922961 3536381 8768883 10609143 242605763 400445657 727817289 909040871 1201336971 2727122613 33236989531 75450392293 99710968593 124538599327 226351176879 373615797981 10336703744141 31010111232423