313233132 has 24 divisors (see below), whose sum is σ = 731534272. Its totient is φ = 104317200.

The previous prime is 313233131. The next prime is 313233139. The reversal of 313233132 is 231332313.

It is a super-2 number, since 2×313233132² = 196229989965058848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 313233099 and 313233108.

It is not an unprimeable number, because it can be changed into a prime (313233131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907 + ... + 25197.

Almost surely, 2^313233132 is an apocalyptic number.

It is an amenable number.

313233132 is an abundant number, since it is smaller than the sum of its proper divisors (418301140).

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

313233132 is a wasteful number, since it uses less digits than its factorization.

313233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23469 (or 23467 counting only the distinct ones).

The product of its digits is 972, while the sum is 21.

The square root of 313233132 is about 17698.3934864157. The cubic root of 313233132 is about 679.1346634089.

Adding to 313233132 its reverse (231332313), we get a palindrome (544565445).

The spelling of 313233132 in words is "three hundred thirteen million, two hundred thirty-three thousand, one hundred thirty-two".