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23303131031013 = 3174312373858817
BaseRepresentation
bin1010100110001101011101…
…10110001110010111100101
310001111202110021020122221120
411103012232312032113211
511023244303020443023
6121321151031404153
74623411211360551
oct523065666162745
9101452407218846
1023303131031013
117474890a56a49
122744377523659
1310006255138c2
145a7c4004a861
152a627bab18e3
hex1531aed8e5e5

23303131031013 has 32 divisors (see below), whose sum is σ = 33666380136576. Its totient is φ = 14280364965888.

The previous prime is 23303131031003. The next prime is 23303131031107. The reversal of 23303131031013 is 31013013130332.

It is not a de Polignac number, because 23303131031013 - 210 = 23303131029989 is a prime.

It is a super-2 number, since 2×233031310310132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303131031003) 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, 26704581 + ... + 27563397.

It is an arithmetic number, because the mean of its divisors is an integer number (1052074379268).

Almost surely, 223303131031013 is an apocalyptic number.

It is an amenable number.

23303131031013 is a deficient number, since it is larger than the sum of its proper divisors (10363249105563).

23303131031013 is a wasteful number, since it uses less digits than its factorization.

23303131031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871253.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 23303131031013 its reverse (31013013130332), we get a palindrome (54316144161345).

The spelling of 23303131031013 in words is "twenty-three trillion, three hundred three billion, one hundred thirty-one million, thirty-one thousand, thirteen".

Divisors: 1 3 17 43 51 129 731 2193 12373 37119 210341 532039 631023 858817 1596117 2576451 9044663 14599889 27133989 36929131 43799667 110787393 627795227 1883385681 10626142741 31878428223 180644426597 456924137863 541933279791 1370772413589 7767710343671 23303131031013