13085131100 has 18 divisors (see below), whose sum is σ = 28394734704. Its totient is φ = 5234052400.

The previous prime is 13085131069. The next prime is 13085131133. The reversal of 13085131100 is 113158031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65425556 + ... + 65425755.

Almost surely, 2^13085131100 is an apocalyptic number.

13085131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13085131100 is an abundant number, since it is smaller than the sum of its proper divisors (15309603604).

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

13085131100 is a wasteful number, since it uses less digits than its factorization.

13085131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130851325 (or 130851318 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 13085131100 its reverse (113158031), we get a palindrome (13198289131).

The spelling of 13085131100 in words is "thirteen billion, eighty-five million, one hundred thirty-one thousand, one hundred".