1312034313 has 16 divisors (see below), whose sum is σ = 1853893440. Its totient is φ = 822521856.

The previous prime is 1312034309. The next prime is 1312034323. The reversal of 1312034313 is 3134302131.

It is not a de Polignac number, because 1312034313 - 2² = 1312034309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312034313.

It is not an unprimeable number, because it can be changed into a prime (1312034323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51498 + ... + 72636.

It is an arithmetic number, because the mean of its divisors is an integer number (115868340).

Almost surely, 2^1312034313 is an apocalyptic number.

It is an amenable number.

1312034313 is a deficient number, since it is larger than the sum of its proper divisors (541859127).

1312034313 is a wasteful number, since it uses less digits than its factorization.

1312034313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22376.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1312034313 is about 36222.0142040721. The cubic root of 1312034313 is about 1094.7502785347.

Adding to 1312034313 its reverse (3134302131), we get a palindrome (4446336444).

The spelling of 1312034313 in words is "one billion, three hundred twelve million, thirty-four thousand, three hundred thirteen".