313032040 has 32 divisors (see below), whose sum is σ = 714840480. Its totient is φ = 123342912.

The previous prime is 313032037. The next prime is 313032059. The reversal of 313032040 is 40230313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55722 + ... + 61081.

It is an arithmetic number, because the mean of its divisors is an integer number (22338765).

Almost surely, 2^313032040 is an apocalyptic number.

It is an amenable number.

313032040 is an abundant number, since it is smaller than the sum of its proper divisors (401808440).

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

313032040 is a wasteful number, since it uses less digits than its factorization.

313032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116881 (or 116877 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 313032040 is about 17692.7114937197. The cubic root of 313032040 is about 678.9893001322.

Adding to 313032040 its reverse (40230313), we get a palindrome (353262353).

The spelling of 313032040 in words is "three hundred thirteen million, thirty-two thousand, forty".