313320432 has 20 divisors (see below), whose sum is σ = 809411240. Its totient is φ = 104440128.

The previous prime is 313320407. The next prime is 313320443. The reversal of 313320432 is 234023313.

It is a junction number, because it is equal to n+sod(n) for n = 313320399 and 313320408.

It is a congruent 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, 3263707 + ... + 3263802.

It is an arithmetic number, because the mean of its divisors is an integer number (40470562).

Almost surely, 2^313320432 is an apocalyptic number.

It is an amenable number.

313320432 is an abundant number, since it is smaller than the sum of its proper divisors (496090808).

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

313320432 is a wasteful number, since it uses less digits than its factorization.

313320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527520 (or 6527514 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 313320432 is about 17700.8596401418. The cubic root of 313320432 is about 679.1977505506.

Adding to 313320432 its reverse (234023313), we get a palindrome (547343745).

The spelling of 313320432 in words is "three hundred thirteen million, three hundred twenty thousand, four hundred thirty-two".