131269319 has 2 divisors, whose sum is σ = 131269320. Its totient is φ = 131269318.

The previous prime is 131269253. The next prime is 131269337. The reversal of 131269319 is 913962131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131269319 is a prime.

It is a super-2 number, since 2×131269319² = 34463268221447522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131269519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65634659 + 65634660.

It is an arithmetic number, because the mean of its divisors is an integer number (65634660).

Almost surely, 2^131269319 is an apocalyptic number.

131269319 is a deficient number, since it is larger than the sum of its proper divisors (1).

131269319 is an equidigital number, since it uses as much as digits as its factorization.

131269319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 35.

The square root of 131269319 is about 11457.2823566499. The cubic root of 131269319 is about 508.2231114841.

The spelling of 131269319 in words is "one hundred thirty-one million, two hundred sixty-nine thousand, three hundred nineteen".