1313345057 has 8 divisors (see below), whose sum is σ = 1371764160. Its totient is φ = 1255035760.

The previous prime is 1313345053. The next prime is 1313345063. The reversal of 1313345057 is 7505433131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313345057 - 2² = 1313345053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313345053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2507 + ... + 51312.

It is an arithmetic number, because the mean of its divisors is an integer number (171470520).

Almost surely, 2^1313345057 is an apocalyptic number.

It is an amenable number.

1313345057 is a deficient number, since it is larger than the sum of its proper divisors (58419103).

1313345057 is a wasteful number, since it uses less digits than its factorization.

1313345057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54903.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 1313345057 is about 36240.1028834080. The cubic root of 1313345057 is about 1095.1147150864.

Adding to 1313345057 its reverse (7505433131), we get a palindrome (8818778188).

The spelling of 1313345057 in words is "one billion, three hundred thirteen million, three hundred forty-five thousand, fifty-seven".