312365980 has 12 divisors (see below), whose sum is σ = 655968600. Its totient is φ = 124946384.

The previous prime is 312365971. The next prime is 312365981. The reversal of 312365980 is 89563213.

It is a super-2 number, since 2×312365980² = 195145010922720800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312365981) 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, 7809130 + ... + 7809169.

It is an arithmetic number, because the mean of its divisors is an integer number (54664050).

Almost surely, 2^312365980 is an apocalyptic number.

It is an amenable number.

312365980 is an abundant number, since it is smaller than the sum of its proper divisors (343602620).

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

312365980 is a wasteful number, since it uses less digits than its factorization.

312365980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15618308 (or 15618306 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 312365980 is about 17673.8784651247. The cubic root of 312365980 is about 678.5073806110.

The spelling of 312365980 in words is "three hundred twelve million, three hundred sixty-five thousand, nine hundred eighty".