1348479931 has 2 divisors, whose sum is σ = 1348479932. Its totient is φ = 1348479930.

The previous prime is 1348479917. The next prime is 1348479959. The reversal of 1348479931 is 1399748431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1348479931 - 2²³ = 1340091323 is a prime.

It is a super-2 number, since 2×1348479931² = 3636796248619529522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1348479991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674239965 + 674239966.

It is an arithmetic number, because the mean of its divisors is an integer number (674239966).

Almost surely, 2^1348479931 is an apocalyptic number.

1348479931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348479931 is an equidigital number, since it uses as much as digits as its factorization.

1348479931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 1348479931 is about 36721.6547965911. The cubic root of 1348479931 is about 1104.7944803174.

The spelling of 1348479931 in words is "one billion, three hundred forty-eight million, four hundred seventy-nine thousand, nine hundred thirty-one".