23131131003 has 12 divisors (see below), whose sum is σ = 34563759360. Its totient is φ = 14889003696.

The previous prime is 23131130969. The next prime is 23131131019. The reversal of 23131131003 is 30013113132.

It is a happy number.

It is not a de Polignac number, because 23131131003 - 2¹⁴ = 23131114619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131131703) 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, 44312251 + ... + 44312772.

It is an arithmetic number, because the mean of its divisors is an integer number (2880313280).

Almost surely, 2^23131131003 is an apocalyptic number.

23131131003 is a deficient number, since it is larger than the sum of its proper divisors (11432628357).

23131131003 is a wasteful number, since it uses less digits than its factorization.

23131131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88625058 (or 88625055 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23131131003 its reverse (30013113132), we get a palindrome (53144244135).

The spelling of 23131131003 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, three".