1313012039 has 2 divisors, whose sum is σ = 1313012040. Its totient is φ = 1313012038.

The previous prime is 1313012027. The next prime is 1313012053. The reversal of 1313012039 is 9302103131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313012039 - 2²⁸ = 1044576583 is a prime.

It is a super-2 number, since 2×1313012039² = 3448001229117875042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313012059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656506019 + 656506020.

It is an arithmetic number, because the mean of its divisors is an integer number (656506020).

Almost surely, 2^1313012039 is an apocalyptic number.

1313012039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313012039 is an equidigital number, since it uses as much as digits as its factorization.

1313012039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1313012039 is about 36235.5079859521. The cubic root of 1313012039 is about 1095.0221464353.

The spelling of 1313012039 in words is "one billion, three hundred thirteen million, twelve thousand, thirty-nine".