313213432 has 32 divisors (see below), whose sum is σ = 687546720. Its totient is φ = 130959360.

The previous prime is 313213357. The next prime is 313213489. The reversal of 313213432 is 234312313.

It is a congruent number.

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, 65913 + ... + 70504.

It is an arithmetic number, because the mean of its divisors is an integer number (21485835).

Almost surely, 2^313213432 is an apocalyptic number.

It is an amenable number.

313213432 is an abundant number, since it is smaller than the sum of its proper divisors (374333288).

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

313213432 is a wasteful number, since it uses less digits than its factorization.

313213432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136471 (or 136467 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 313213432 is about 17697.8369299754. The cubic root of 313213432 is about 679.1204256288.

Adding to 313213432 its reverse (234312313), we get a palindrome (547525745).

The spelling of 313213432 in words is "three hundred thirteen million, two hundred thirteen thousand, four hundred thirty-two".