313306532 has 96 divisors (see below), whose sum is σ = 738097920. Its totient is φ = 112619520.

The previous prime is 313306519. The next prime is 313306537. The reversal of 313306532 is 235603313.

It is not an unprimeable number, because it can be changed into a prime (313306537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276944 + ... + 278072.

It is an arithmetic number, because the mean of its divisors is an integer number (7688520).

Almost surely, 2^313306532 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 313306532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369048960).

313306532 is an abundant number, since it is smaller than the sum of its proper divisors (424791388).

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

313306532 is a wasteful number, since it uses less digits than its factorization.

313306532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 313306532 is about 17700.4669994890. The cubic root of 313306532 is about 679.1877065324.

Adding to 313306532 its reverse (235603313), we get a palindrome (548909845).

The spelling of 313306532 in words is "three hundred thirteen million, three hundred six thousand, five hundred thirty-two".