131302320193 has 4 divisors (see below), whose sum is σ = 143238894768. Its totient is φ = 119365745620.

The previous prime is 131302320187. The next prime is 131302320217. The reversal of 131302320193 is 391023203131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131302320193 - 2⁵ = 131302320161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131302320173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5968287271 + ... + 5968287292.

It is an arithmetic number, because the mean of its divisors is an integer number (35809723692).

Almost surely, 2^131302320193 is an apocalyptic number.

It is an amenable number.

131302320193 is a deficient number, since it is larger than the sum of its proper divisors (11936574575).

131302320193 is a wasteful number, since it uses less digits than its factorization.

131302320193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11936574574.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 131302320193 in words is "one hundred thirty-one billion, three hundred two million, three hundred twenty thousand, one hundred ninety-three".