131393013 has 8 divisors (see below), whose sum is σ = 175744608. Its totient is φ = 87318384.

The previous prime is 131392991. The next prime is 131393027. The reversal of 131393013 is 310393131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131393013 - 2⁹ = 131392501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131393033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68131 + ... + 70032.

It is an arithmetic number, because the mean of its divisors is an integer number (21968076).

Almost surely, 2^131393013 is an apocalyptic number.

It is an amenable number.

131393013 is a deficient number, since it is larger than the sum of its proper divisors (44351595).

131393013 is a wasteful number, since it uses less digits than its factorization.

131393013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138483.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 131393013 is about 11462.6791370953. The cubic root of 131393013 is about 508.3826928570.

The spelling of 131393013 in words is "one hundred thirty-one million, three hundred ninety-three thousand, thirteen".