131013134340 has 96 divisors (see below), whose sum is σ = 413094850560. Its totient is φ = 30736214400.

The previous prime is 131013134339. The next prime is 131013134363. The reversal of 131013134340 is 43431310131.

It is a self number, because there is not a number n which added to its sum of digits gives 131013134340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3181230 + ... + 3222149.

It is an arithmetic number, because the mean of its divisors is an integer number (4303071360).

Almost surely, 2^131013134340 is an apocalyptic number.

131013134340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131013134340 is an abundant number, since it is smaller than the sum of its proper divisors (282081716220).

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

131013134340 is a wasteful number, since it uses less digits than its factorization.

131013134340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403433 (or 6403431 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131013134340 its reverse (43431310131), we get a palindrome (174444444471).

The spelling of 131013134340 in words is "one hundred thirty-one billion, thirteen million, one hundred thirty-four thousand, three hundred forty".