23131031002 has 8 divisors (see below), whose sum is σ = 34834780512. Its totient is φ = 11519437500.

The previous prime is 23131030987. The next prime is 23131031017. The reversal of 23131031002 is 20013013132.

It is an interprime number because it is at equal distance from previous prime (23131030987) and next prime (23131031017).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23038374 + ... + 23039377.

It is an arithmetic number, because the mean of its divisors is an integer number (4354347564).

Almost surely, 2^23131031002 is an apocalyptic number.

23131031002 is a deficient number, since it is larger than the sum of its proper divisors (11703749510).

23131031002 is a wasteful number, since it uses less digits than its factorization.

23131031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46078004.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23131031002 its reverse (20013013132), we get a palindrome (43144044134).

The spelling of 23131031002 in words is "twenty-three billion, one hundred thirty-one million, thirty-one thousand, two".