1313408051 has 2 divisors, whose sum is σ = 1313408052. Its totient is φ = 1313408050.

The previous prime is 1313408029. The next prime is 1313408053. The reversal of 1313408051 is 1508043131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313408051 is a prime.

It is a Sophie Germain prime.

Together with 1313408053, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313408051.

It is not a weakly prime, because it can be changed into another prime (1313408053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656704025 + 656704026.

It is an arithmetic number, because the mean of its divisors is an integer number (656704026).

Almost surely, 2^1313408051 is an apocalyptic number.

1313408051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313408051 is an equidigital number, since it uses as much as digits as its factorization.

1313408051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1313408051 is about 36240.9719930357. The cubic root of 1313408051 is about 1095.1322237000.

The spelling of 1313408051 in words is "one billion, three hundred thirteen million, four hundred eight thousand, fifty-one".