15002023131 has 24 divisors (see below), whose sum is σ = 22140752400. Its totient is φ = 9785894976.

The previous prime is 15002023109. The next prime is 15002023139. The reversal of 15002023131 is 13132020051.

15002023131 is a `hidden beast` number, since 150 + 0 + 202 + 313 + 1 = 666.

It is not a de Polignac number, because 15002023131 - 2³³ = 6412088539 is a prime.

It is a super-2 number, since 2×15002023131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15002023139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6361 + ... + 173333.

It is an arithmetic number, because the mean of its divisors is an integer number (922531350).

Almost surely, 2^15002023131 is an apocalyptic number.

15002023131 is a deficient number, since it is larger than the sum of its proper divisors (7138729269).

15002023131 is a wasteful number, since it uses less digits than its factorization.

15002023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167195 (or 167192 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 15002023131 its reverse (13132020051), we get a palindrome (28134043182).

The spelling of 15002023131 in words is "fifteen billion, two million, twenty-three thousand, one hundred thirty-one".