1313430071 has 2 divisors, whose sum is σ = 1313430072. Its totient is φ = 1313430070.

The previous prime is 1313430067. The next prime is 1313430113. The reversal of 1313430071 is 1700343131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313430071 - 2² = 1313430067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313430061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656715035 + 656715036.

It is an arithmetic number, because the mean of its divisors is an integer number (656715036).

Almost surely, 2^1313430071 is an apocalyptic number.

1313430071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313430071 is an equidigital number, since it uses as much as digits as its factorization.

1313430071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1313430071 is about 36241.2757915612. The cubic root of 1313430071 is about 1095.1383438282.

The spelling of 1313430071 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, seventy-one".