131403032269 has 2 divisors, whose sum is σ = 131403032270. Its totient is φ = 131403032268.

The previous prime is 131403032207. The next prime is 131403032279. The reversal of 131403032269 is 962230304131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109398870025 + 22004162244 = 330755^2 + 148338^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403032269 - 2³¹ = 129255548621 is a prime.

It is a super-2 number, since 2×131403032269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131403032279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701516134 + 65701516135.

It is an arithmetic number, because the mean of its divisors is an integer number (65701516135).

Almost surely, 2^131403032269 is an apocalyptic number.

It is an amenable number.

131403032269 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403032269 is an equidigital number, since it uses as much as digits as its factorization.

131403032269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 131403032269 in words is "one hundred thirty-one billion, four hundred three million, thirty-two thousand, two hundred sixty-nine".