313289982 has 12 divisors (see below), whose sum is σ = 678795000. Its totient is φ = 104429988.

The previous prime is 313289927. The next prime is 313289983. The reversal of 313289982 is 289982313.

It is a super-2 number, since 2×313289982² = 196301225643120648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313289983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8702482 + ... + 8702517.

It is an arithmetic number, because the mean of its divisors is an integer number (56566250).

Almost surely, 2^313289982 is an apocalyptic number.

313289982 is an abundant number, since it is smaller than the sum of its proper divisors (365505018).

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

313289982 is a wasteful number, since it uses less digits than its factorization.

313289982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17405007 (or 17405004 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 313289982 is about 17699.9994915254. Note that the first 3 decimals coincide. The cubic root of 313289982 is about 679.1757472600.

The spelling of 313289982 in words is "three hundred thirteen million, two hundred eighty-nine thousand, nine hundred eighty-two".