313232132 has 18 divisors (see below), whose sum is σ = 567716058. Its totient is φ = 151213888.

The previous prime is 313232107. The next prime is 313232137. The reversal of 313232132 is 231232313.

It can be written as a sum of positive squares in 3 ways, for example, as 42432196 + 270799936 = 6514^2 + 16456^2 .

It is a super-2 number, since 2×313232132² = 196228737034530848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313232137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43193 + ... + 49920.

It is an arithmetic number, because the mean of its divisors is an integer number (31539781).

Almost surely, 2^313232132 is an apocalyptic number.

It is an amenable number.

313232132 is a deficient number, since it is larger than the sum of its proper divisors (254483926).

313232132 is a wasteful number, since it uses less digits than its factorization.

313232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93175 (or 93144 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 313232132 is about 17698.3652352414. The cubic root of 313232132 is about 679.1339406933.

Adding to 313232132 its reverse (231232313), we get a palindrome (544464445).

The spelling of 313232132 in words is "three hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-two".