15131312300 has 72 divisors (see below), whose sum is σ = 35940585072. Its totient is φ = 5495328000.

The previous prime is 15131312291. The next prime is 15131312303. The reversal of 15131312300 is 321313151.

It is a super-2 number, since 2×15131312300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (15131312303) 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, 16106 + ... + 174705.

Almost surely, 2^15131312300 is an apocalyptic number.

15131312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15131312300 is an abundant number, since it is smaller than the sum of its proper divisors (20809272772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15131312300 is a wasteful number, since it uses less digits than its factorization.

15131312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190899 (or 190892 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 15131312300 its reverse (321313151), we get a palindrome (15452625451).

The spelling of 15131312300 in words is "fifteen billion, one hundred thirty-one million, three hundred twelve thousand, three hundred".