23131101315 has 32 divisors (see below), whose sum is σ = 44523025920. Its totient is φ = 10017679104.

The previous prime is 23131101293. The next prime is 23131101341. The reversal of 23131101315 is 51310113132.

It is not a de Polignac number, because 23131101315 - 2¹⁷ = 23130970243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23131101291 and 23131101300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5795274 + ... + 5799263.

It is an arithmetic number, because the mean of its divisors is an integer number (1391344560).

Almost surely, 2^23131101315 is an apocalyptic number.

23131101315 is a deficient number, since it is larger than the sum of its proper divisors (21391924605).

23131101315 is a wasteful number, since it uses less digits than its factorization.

23131101315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11594571.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 23131101315 its reverse (51310113132), we get a palindrome (74441214447).

The spelling of 23131101315 in words is "twenty-three billion, one hundred thirty-one million, one hundred one thousand, three hundred fifteen".