313641156 has 48 divisors (see below), whose sum is σ = 784312704. Its totient is φ = 97295616.

The previous prime is 313641131. The next prime is 313641157. The reversal of 313641156 is 651146313.

It is not an unprimeable number, because it can be changed into a prime (313641157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145 + ... + 25568.

It is an arithmetic number, because the mean of its divisors is an integer number (16339848).

Almost surely, 2^313641156 is an apocalyptic number.

It is an amenable number.

313641156 is an abundant number, since it is smaller than the sum of its proper divisors (470671548).

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

313641156 is a wasteful number, since it uses less digits than its factorization.

313641156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30780 (or 30778 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 313641156 is about 17709.9168829218. The cubic root of 313641156 is about 679.4294204450.

Adding to 313641156 its reverse (651146313), we get a palindrome (964787469).

The spelling of 313641156 in words is "three hundred thirteen million, six hundred forty-one thousand, one hundred fifty-six".