1337345231 has 2 divisors, whose sum is σ = 1337345232. Its totient is φ = 1337345230.

The previous prime is 1337345227. The next prime is 1337345249. The reversal of 1337345231 is 1325437331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1337345231 - 2² = 1337345227 is a prime.

It is a super-2 number, since 2×1337345231² = 3576984533756886722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337345201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668672615 + 668672616.

It is an arithmetic number, because the mean of its divisors is an integer number (668672616).

Almost surely, 2^1337345231 is an apocalyptic number.

1337345231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337345231 is an equidigital number, since it uses as much as digits as its factorization.

1337345231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 1337345231 is about 36569.7310763970. The cubic root of 1337345231 is about 1101.7452271311.

The spelling of 1337345231 in words is "one billion, three hundred thirty-seven million, three hundred forty-five thousand, two hundred thirty-one".