313432665 has 48 divisors (see below), whose sum is σ = 628262208. Its totient is φ = 132257664.

The previous prime is 313432649. The next prime is 313432681. The reversal of 313432665 is 566234313.

It is an interprime number because it is at equal distance from previous prime (313432649) and next prime (313432681).

It is not a de Polignac number, because 313432665 - 2⁴ = 313432649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6847 + ... + 25956.

It is an arithmetic number, because the mean of its divisors is an integer number (13088796).

Almost surely, 2^313432665 is an apocalyptic number.

313432665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313432665 is an abundant number, since it is smaller than the sum of its proper divisors (314829543).

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

313432665 is a wasteful number, since it uses less digits than its factorization.

313432665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32838 (or 32831 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 313432665 is about 17704.0296260484. The cubic root of 313432665 is about 679.2788382523.

Adding to 313432665 its reverse (566234313), we get a palindrome (879666978).

The spelling of 313432665 in words is "three hundred thirteen million, four hundred thirty-two thousand, six hundred sixty-five".