312113313 has 12 divisors (see below), whose sum is σ = 451301760. Its totient is φ = 207857976.

The previous prime is 312113303. The next prime is 312113317. The reversal of 312113313 is 313311213.

It is a happy number.

It is not a de Polignac number, because 312113313 - 2⁴ = 312113297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312113317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8793 + ... + 26486.

It is an arithmetic number, because the mean of its divisors is an integer number (37608480).

Almost surely, 2^312113313 is an apocalyptic number.

It is an amenable number.

312113313 is a deficient number, since it is larger than the sum of its proper divisors (139188447).

312113313 is a wasteful number, since it uses less digits than its factorization.

312113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36268 (or 36265 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 312113313 is about 17666.7289841668. The cubic root of 312113313 is about 678.3243872848.

Adding to 312113313 its reverse (313311213), we get a palindrome (625424526).

The spelling of 312113313 in words is "three hundred twelve million, one hundred thirteen thousand, three hundred thirteen".