12311101013031 has 12 divisors (see below), whose sum is σ = 17813520710752. Its totient is φ = 8193176407296.

The previous prime is 12311101013017. The next prime is 12311101013039. The reversal of 12311101013031 is 13031010111321.

It is not a de Polignac number, because 12311101013031 - 2¹¹ = 12311101010983 is a prime.

It is a super-2 number, since 2×12311101013031² (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 = 12311101012995 and 12311101013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311101013039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185350191 + ... + 1185360576.

Almost surely, 2^{12311101013031} is an apocalyptic number.

12311101013031 is a deficient number, since it is larger than the sum of its proper divisors (5502419697721).

12311101013031 is a wasteful number, since it uses less digits than its factorization.

12311101013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370711350 (or 2370711347 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 12311101013031 its reverse (13031010111321), we get a palindrome (25342111124352).

The spelling of 12311101013031 in words is "twelve trillion, three hundred eleven billion, one hundred one million, thirteen thousand, thirty-one".