131363353431 has 12 divisors (see below), whose sum is σ = 190242494208. Its totient is φ = 87346909824.

The previous prime is 131363353391. The next prime is 131363353447. The reversal of 131363353431 is 134353363131.

131363353431 is a `hidden beast` number, since 1 + 3 + 13 + 633 + 5 + 3 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 131363353431 - 2⁶ = 131363353367 is a prime.

It is a super-2 number, since 2×131363353431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131363353631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19051290 + ... + 19058183.

It is an arithmetic number, because the mean of its divisors is an integer number (15853541184).

Almost surely, 2^131363353431 is an apocalyptic number.

131363353431 is a deficient number, since it is larger than the sum of its proper divisors (58879140777).

131363353431 is a wasteful number, since it uses less digits than its factorization.

131363353431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38109862 (or 38109859 counting only the distinct ones).

The product of its digits is 87480, while the sum is 36.

The spelling of 131363353431 in words is "one hundred thirty-one billion, three hundred sixty-three million, three hundred fifty-three thousand, four hundred thirty-one".