313320532 has 48 divisors (see below), whose sum is σ = 643764352. Its totient is φ = 130636800.

The previous prime is 313320521. The next prime is 313320533. The reversal of 313320532 is 235023313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313320533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521032 + ... + 521632.

Almost surely, 2^313320532 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 313320532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321882176).

313320532 is an abundant number, since it is smaller than the sum of its proper divisors (330443820).

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

313320532 is a wasteful number, since it uses less digits than its factorization.

313320532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 313320532 is about 17700.8624648631. The cubic root of 313320532 is about 679.1978228087.

Adding to 313320532 its reverse (235023313), we get a palindrome (548343845).

The spelling of 313320532 in words is "three hundred thirteen million, three hundred twenty thousand, five hundred thirty-two".