1013312957 has 2 divisors, whose sum is σ = 1013312958. Its totient is φ = 1013312956.

The previous prime is 1013312953. The next prime is 1013312977. The reversal of 1013312957 is 7592133101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893651236 + 119661721 = 29894^2 + 10939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013312957 - 2² = 1013312953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013312953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506656478 + 506656479.

It is an arithmetic number, because the mean of its divisors is an integer number (506656479).

Almost surely, 2^1013312957 is an apocalyptic number.

It is an amenable number.

1013312957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013312957 is an equidigital number, since it uses as much as digits as its factorization.

1013312957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1013312957 is about 31832.5769770529. The cubic root of 1013312957 is about 1004.4181039443.

The spelling of 1013312957 in words is "one billion, thirteen million, three hundred twelve thousand, nine hundred fifty-seven".