23131000311 has 16 divisors (see below), whose sum is σ = 32767977600. Its totient is φ = 14472515808.

The previous prime is 23131000307. The next prime is 23131000313. The reversal of 23131000311 is 11300013132.

It is not a de Polignac number, because 23131000311 - 2² = 23131000307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131000313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890196 + ... + 1902393.

It is an arithmetic number, because the mean of its divisors is an integer number (2047998600).

Almost surely, 2^23131000311 is an apocalyptic number.

23131000311 is a deficient number, since it is larger than the sum of its proper divisors (9636977289).

23131000311 is a wasteful number, since it uses less digits than its factorization.

23131000311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792718.

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

Adding to 23131000311 its reverse (11300013132), we get a palindrome (34431013443).

The spelling of 23131000311 in words is "twenty-three billion, one hundred thirty-one million, three hundred eleven", and thus it is an aban number.