23131010031 has 8 divisors (see below), whose sum is σ = 31030558080. Its totient is φ = 15326067672.

The previous prime is 23131010027. The next prime is 23131010041. The reversal of 23131010031 is 13001013132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23131010031 - 2² = 23131010027 is a prime.

It is a super-2 number, since 2×23131010031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131010041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23650851 + ... + 23651828.

It is an arithmetic number, because the mean of its divisors is an integer number (3878819760).

Almost surely, 2^23131010031 is an apocalyptic number.

23131010031 is a deficient number, since it is larger than the sum of its proper divisors (7899548049).

23131010031 is a wasteful number, since it uses less digits than its factorization.

23131010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302845.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23131010031 its reverse (13001013132), we get a palindrome (36132023163).

The spelling of 23131010031 in words is "twenty-three billion, one hundred thirty-one million, ten thousand, thirty-one".