313123132 has 18 divisors (see below), whose sum is σ = 637429632. Its totient is φ = 134195544.

The previous prime is 313123123. The next prime is 313123133. The reversal of 313123132 is 231321313.

313123132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313123133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 798588 + ... + 798979.

Almost surely, 2^313123132 is an apocalyptic number.

It is an amenable number.

313123132 is an abundant number, since it is smaller than the sum of its proper divisors (324306500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313123132 is a wasteful number, since it uses less digits than its factorization.

313123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597585 (or 1597576 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 313123132 is about 17695.2855868449. The cubic root of 313123132 is about 679.0551554728.

Adding to 313123132 its reverse (231321313), we get a palindrome (544444445).

The spelling of 313123132 in words is "three hundred thirteen million, one hundred twenty-three thousand, one hundred thirty-two".