131351135344 has 80 divisors (see below), whose sum is σ = 311984031744. Its totient is φ = 52716153600.

The previous prime is 131351135309. The next prime is 131351135393. The reversal of 131351135344 is 443531153131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195392 + ... + 1300639.

Almost surely, 2^131351135344 is an apocalyptic number.

It is an amenable number.

131351135344 is an abundant number, since it is smaller than the sum of its proper divisors (180632896400).

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

131351135344 is a wasteful number, since it uses less digits than its factorization.

131351135344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496086 (or 2496080 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

Adding to 131351135344 its reverse (443531153131), we get a palindrome (574882288475).

The spelling of 131351135344 in words is "one hundred thirty-one billion, three hundred fifty-one million, one hundred thirty-five thousand, three hundred forty-four".