23031631451 has 16 divisors (see below), whose sum is σ = 24393776160. Its totient is φ = 21684879360.

The previous prime is 23031631429. The next prime is 23031631453. The reversal of 23031631451 is 15413613032.

It is a de Polignac number, because none of the positive numbers 2^k-23031631451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031631453) 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, 2226371 + ... + 2236691.

It is an arithmetic number, because the mean of its divisors is an integer number (1524611010).

Almost surely, 2^23031631451 is an apocalyptic number.

23031631451 is a deficient number, since it is larger than the sum of its proper divisors (1362144709).

23031631451 is a wasteful number, since it uses less digits than its factorization.

23031631451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 23031631451 in words is "twenty-three billion, thirty-one million, six hundred thirty-one thousand, four hundred fifty-one".