1310402313 has 32 divisors (see below), whose sum is σ = 2242408320. Its totient is φ = 747463680.

The previous prime is 1310402297. The next prime is 1310402321. The reversal of 1310402313 is 3132040131.

1310402313 is a `hidden beast` number, since 1 + 310 + 40 + 2 + 313 = 666.

It is not a de Polignac number, because 1310402313 - 2⁴ = 1310402297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310402363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124720 + ... + 134817.

It is an arithmetic number, because the mean of its divisors is an integer number (70075260).

Almost surely, 2^1310402313 is an apocalyptic number.

It is an amenable number.

1310402313 is a deficient number, since it is larger than the sum of its proper divisors (932006007).

1310402313 is a wasteful number, since it uses less digits than its factorization.

1310402313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259574 (or 259568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1310402313 is about 36199.4794575834. The cubic root of 1310402313 is about 1094.2961812273.

Adding to 1310402313 its reverse (3132040131), we get a palindrome (4442442444).

The spelling of 1310402313 in words is "one billion, three hundred ten million, four hundred two thousand, three hundred thirteen".