313321312 has 24 divisors (see below), whose sum is σ = 617286096. Its totient is φ = 156550272.

The previous prime is 313321297. The next prime is 313321313. The reversal of 313321312 is 213123313.

It is a self number, because there is not a number n which added to its sum of digits gives 313321312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61453 + ... + 66355.

It is an arithmetic number, because the mean of its divisors is an integer number (25720254).

Almost surely, 2^313321312 is an apocalyptic number.

313321312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313321312 is a deficient number, since it is larger than the sum of its proper divisors (303964784).

313321312 is a wasteful number, since it uses less digits than its factorization.

313321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910 (or 6902 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 313321312 is about 17700.8844976741. The cubic root of 313321312 is about 679.1983864209.

Adding to 313321312 its reverse (213123313), we get a palindrome (526444625).

The spelling of 313321312 in words is "three hundred thirteen million, three hundred twenty-one thousand, three hundred twelve".