13012311032331 has 16 divisors (see below), whose sum is σ = 18690004438560. Its totient is φ = 8005150137600.

The previous prime is 13012311032323. The next prime is 13012311032389. The reversal of 13012311032331 is 13323011321031.

It is not a de Polignac number, because 13012311032331 - 2³ = 13012311032323 is a prime.

It is a super-2 number, since 2×13012311032331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13012311032131) 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, 50408826 + ... + 50666303.

It is an arithmetic number, because the mean of its divisors is an integer number (1168125277410).

Almost surely, 2^{13012311032331} is an apocalyptic number.

13012311032331 is a deficient number, since it is larger than the sum of its proper divisors (5677693406229).

13012311032331 is a wasteful number, since it uses less digits than its factorization.

13012311032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101078446.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13012311032331 its reverse (13323011321031), we get a palindrome (26335322353362).

The spelling of 13012311032331 in words is "thirteen trillion, twelve billion, three hundred eleven million, thirty-two thousand, three hundred thirty-one".