131313101100 has 72 divisors (see below), whose sum is σ = 380263661568. Its totient is φ = 34986312000.

The previous prime is 131313101099. The next prime is 131313101113. The reversal of 131313101100 is 1101313131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131313101100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155157 + ... + 535443.

It is an arithmetic number, because the mean of its divisors is an integer number (5281439744).

Almost surely, 2^131313101100 is an apocalyptic number.

131313101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131313101100 is an abundant number, since it is smaller than the sum of its proper divisors (248950560468).

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

131313101100 is a wasteful number, since it uses less digits than its factorization.

131313101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381455 (or 381448 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 131313101100 its reverse (1101313131), we get a palindrome (132414414231).

The spelling of 131313101100 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred one thousand, one hundred".