313956228 has 48 divisors (see below), whose sum is σ = 784224000. Its totient is φ = 97459488.

The previous prime is 313956199. The next prime is 313956263. The reversal of 313956228 is 822659313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (16338000).

Almost surely, 2^313956228 is an apocalyptic number.

313956228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313956228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392112000).

313956228 is an abundant number, since it is smaller than the sum of its proper divisors (470267772).

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

313956228 is a wasteful number, since it uses less digits than its factorization.

313956228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23424 (or 23422 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 313956228 is about 17718.8100051894. The cubic root of 313956228 is about 679.6568539735.

The spelling of 313956228 in words is "three hundred thirteen million, nine hundred fifty-six thousand, two hundred twenty-eight".