312380379 has 12 divisors (see below), whose sum is σ = 452848656. Its totient is φ = 207500112.

The previous prime is 312380371. The next prime is 312380417. The reversal of 312380379 is 973083213.

It is a happy number.

It is not a de Polignac number, because 312380379 - 2³ = 312380371 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (312380371) 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 11 ways as a sum of consecutive naturals, for example, 60159 + ... + 65144.

It is an arithmetic number, because the mean of its divisors is an integer number (37737388).

Almost surely, 2^312380379 is an apocalyptic number.

312380379 is a deficient number, since it is larger than the sum of its proper divisors (140468277).

312380379 is a wasteful number, since it uses less digits than its factorization.

312380379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125586 (or 125583 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 312380379 is about 17674.2858130109. The cubic root of 312380379 is about 678.5178060717.

The spelling of 312380379 in words is "three hundred twelve million, three hundred eighty thousand, three hundred seventy-nine".