313322140 has 12 divisors (see below), whose sum is σ = 657976536. Its totient is φ = 125328848.

The previous prime is 313322111. The next prime is 313322171. The reversal of 313322140 is 41223313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7833034 + ... + 7833073.

It is an arithmetic number, because the mean of its divisors is an integer number (54831378).

Almost surely, 2^313322140 is an apocalyptic number.

It is an amenable number.

313322140 is an abundant number, since it is smaller than the sum of its proper divisors (344654396).

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

313322140 is a wasteful number, since it uses less digits than its factorization.

313322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15666116 (or 15666114 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313322140 is about 17700.9078863204. The cubic root of 313322140 is about 679.1989847159.

Adding to 313322140 its reverse (41223313), we get a palindrome (354545453).

The spelling of 313322140 in words is "three hundred thirteen million, three hundred twenty-two thousand, one hundred forty".