131000719 has 2 divisors, whose sum is σ = 131000720. Its totient is φ = 131000718.

The previous prime is 131000713. The next prime is 131000767. The reversal of 131000719 is 917000131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131000719 - 2³ = 131000711 is a prime.

It is a super-2 number, since 2×131000719² = 34322376757033922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131000711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65500359 + 65500360.

It is an arithmetic number, because the mean of its divisors is an integer number (65500360).

Almost surely, 2^131000719 is an apocalyptic number.

131000719 is a deficient number, since it is larger than the sum of its proper divisors (1).

131000719 is an equidigital number, since it uses as much as digits as its factorization.

131000719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 131000719 is about 11445.5545518773. The cubic root of 131000719 is about 507.8762369778.

The spelling of 131000719 in words is "one hundred thirty-one million, seven hundred nineteen", and thus it is an aban number.