313532256 has 96 divisors (see below), whose sum is σ = 840647808. Its totient is φ = 102302720.

The previous prime is 313532249. The next prime is 313532257. The reversal of 313532256 is 652235313.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313532257) 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, 1345516 + ... + 1345748.

It is an arithmetic number, because the mean of its divisors is an integer number (8756748).

Almost surely, 2^313532256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313532256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420323904).

313532256 is an abundant number, since it is smaller than the sum of its proper divisors (527115552).

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

313532256 is a wasteful number, since it uses less digits than its factorization.

313532256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 476 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 313532256 is about 17706.8420674043. The cubic root of 313532256 is about 679.3507759734.

Adding to 313532256 its reverse (652235313), we get a palindrome (965767569).

The spelling of 313532256 in words is "three hundred thirteen million, five hundred thirty-two thousand, two hundred fifty-six".