313023232 has 36 divisors (see below), whose sum is σ = 626494176. Its totient is φ = 156093440.

The previous prime is 313023211. The next prime is 313023241. The reversal of 313023232 is 232320313.

It is a happy 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, 108918 + ... + 111754.

It is an arithmetic number, because the mean of its divisors is an integer number (17402616).

Almost surely, 2^313023232 is an apocalyptic number.

313023232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313247088).

313023232 is an abundant number, since it is smaller than the sum of its proper divisors (313470944).

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

313023232 is an equidigital number, since it uses as much as digits as its factorization.

313023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 313023232 is about 17692.4625759107. The cubic root of 313023232 is about 678.9829316746.

Adding to 313023232 its reverse (232320313), we get a palindrome (545343545).

It can be divided in two parts, 3130 and 23232, that added together give a palindrome (26362).

The spelling of 313023232 in words is "three hundred thirteen million, twenty-three thousand, two hundred thirty-two".