1313342971 has 2 divisors, whose sum is σ = 1313342972. Its totient is φ = 1313342970.

The previous prime is 1313342963. The next prime is 1313343013. The reversal of 1313342971 is 1792433131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313342971 - 2³ = 1313342963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313342951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656671485 + 656671486.

It is an arithmetic number, because the mean of its divisors is an integer number (656671486).

Almost surely, 2^1313342971 is an apocalyptic number.

1313342971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313342971 is an equidigital number, since it uses as much as digits as its factorization.

1313342971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 1313342971 is about 36240.0741031251. The cubic root of 1313342971 is about 1095.1141352919.

The spelling of 1313342971 in words is "one billion, three hundred thirteen million, three hundred forty-two thousand, nine hundred seventy-one".