13331500243231 has 16 divisors (see below), whose sum is σ = 13888196467200. Its totient is φ = 12781339452000.

The previous prime is 13331500243141. The next prime is 13331500243277. The reversal of 13331500243231 is 13234200513331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13331500243231 - 2¹¹ = 13331500241183 is a prime.

It is a super-2 number, since 2×13331500243231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13331500243193 and 13331500243202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331500243631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10148926 + ... + 11386996.

It is an arithmetic number, because the mean of its divisors is an integer number (868012279200).

Almost surely, 2^{13331500243231} is an apocalyptic number.

13331500243231 is a deficient number, since it is larger than the sum of its proper divisors (556696223969).

13331500243231 is a wasteful number, since it uses less digits than its factorization.

13331500243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240710.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 13331500243231 its reverse (13234200513331), we get a palindrome (26565700756562).

The spelling of 13331500243231 in words is "thirteen trillion, three hundred thirty-one billion, five hundred million, two hundred forty-three thousand, two hundred thirty-one".