31132423113 has 96 divisors (see below), whose sum is σ = 47860848000. Its totient is φ = 17973120000.

The previous prime is 31132423079. The next prime is 31132423121.

31132423113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31132423113 - 2²⁵ = 31098868681 is a prime.

It is a super-2 number, since 2×31132423113² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31132493113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 208942363 + ... + 208942511.

It is an arithmetic number, because the mean of its divisors is an integer number (498550500).

Almost surely, 2^31132423113 is an apocalyptic number.

31132423113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31132423113 is a deficient number, since it is larger than the sum of its proper divisors (16728424887).

31132423113 is a wasteful number, since it uses less digits than its factorization.

31132423113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 444 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The spelling of 31132423113 in words is "thirty-one billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred thirteen".