313540556 has 12 divisors (see below), whose sum is σ = 627081168. Its totient is φ = 134374512.

The previous prime is 313540519. The next prime is 313540561. The reversal of 313540556 is 655045313.

313540556 is an admirable 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, 5598911 + ... + 5598966.

It is an arithmetic number, because the mean of its divisors is an integer number (52256764).

Almost surely, 2^313540556 is an apocalyptic number.

It is an amenable number.

313540556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

313540556 is a wasteful number, since it uses less digits than its factorization.

313540556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197888 (or 11197886 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 313540556 is about 17707.0764385316. The cubic root of 313540556 is about 679.3567706375.

Adding to 313540556 its reverse (655045313), we get a palindrome (968585869).

The spelling of 313540556 in words is "three hundred thirteen million, five hundred forty thousand, five hundred fifty-six".