1313574319 has 2 divisors, whose sum is σ = 1313574320. Its totient is φ = 1313574318.

The previous prime is 1313574293. The next prime is 1313574349. The reversal of 1313574319 is 9134753131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313574319 - 2⁵ = 1313574287 is a prime.

It is a super-2 number, since 2×1313574319² = 3450954983072627522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313574349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656787159 + 656787160.

It is an arithmetic number, because the mean of its divisors is an integer number (656787160).

Almost surely, 2^1313574319 is an apocalyptic number.

1313574319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313574319 is an equidigital number, since it uses as much as digits as its factorization.

1313574319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 1313574319 is about 36243.2658434639. The cubic root of 1313574319 is about 1095.1784337009.

The spelling of 1313574319 in words is "one billion, three hundred thirteen million, five hundred seventy-four thousand, three hundred nineteen".