23131324055315 has 32 divisors (see below), whose sum is σ = 31776654638976. Its totient is φ = 15834634583040.

The previous prime is 23131324055311. The next prime is 23131324055431. The reversal of 23131324055315 is 51355042313132.

It is not a de Polignac number, because 23131324055315 - 2² = 23131324055311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131324055311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635929469 + ... + 635965841.

It is an arithmetic number, because the mean of its divisors is an integer number (993020457468).

Almost surely, 2^{23131324055315} is an apocalyptic number.

23131324055315 is a deficient number, since it is larger than the sum of its proper divisors (8645330583661).

23131324055315 is a wasteful number, since it uses less digits than its factorization.

23131324055315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66639.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 23131324055315 its reverse (51355042313132), we get a palindrome (74486366368447).

The spelling of 23131324055315 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred twenty-four million, fifty-five thousand, three hundred fifteen".