313123113 has 24 divisors (see below), whose sum is σ = 459538560. Its totient is φ = 205430400.

The previous prime is 313123103. The next prime is 313123123. The reversal of 313123113 is 311321313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (313123103) and next prime (313123123).

It is not a de Polignac number, because 313123113 - 2⁸ = 313122857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313123103) 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 23 ways as a sum of consecutive naturals, for example, 152548 + ... + 154586.

It is an arithmetic number, because the mean of its divisors is an integer number (19147440).

Almost surely, 2^313123113 is an apocalyptic number.

It is an amenable number.

313123113 is a deficient number, since it is larger than the sum of its proper divisors (146415447).

313123113 is a wasteful number, since it uses less digits than its factorization.

313123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2306 counting only the distinct ones).

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

The square root of 313123113 is about 17695.2850499787. The cubic root of 313123113 is about 679.0551417380.

Adding to 313123113 its reverse (311321313), we get a palindrome (624444426).

It can be divided in two parts, 313123 and 113, that added together give a triangular number (313236 = T₇₉₁).

The spelling of 313123113 in words is "three hundred thirteen million, one hundred twenty-three thousand, one hundred thirteen".