13515231300 has 36 divisors (see below), whose sum is σ = 39104070096. Its totient is φ = 3604061600.

The previous prime is 13515231287. The next prime is 13515231329. The reversal of 13515231300 is 313251531.

It is a super-2 number, since 2×13515231300² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22525086 + ... + 22525685.

Almost surely, 2^13515231300 is an apocalyptic number.

13515231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13515231300 is an abundant number, since it is smaller than the sum of its proper divisors (25588838796).

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

13515231300 is a wasteful number, since it uses less digits than its factorization.

13515231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45050788 (or 45050781 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 13515231300 its reverse (313251531), we get a palindrome (13828482831).

The spelling of 13515231300 in words is "thirteen billion, five hundred fifteen million, two hundred thirty-one thousand, three hundred".