310979 has 4 divisors (see below), whose sum is σ = 314160. Its totient is φ = 307800.

The previous prime is 310969. The next prime is 310987. The reversal of 310979 is 979013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 310979 - 2¹² = 306883 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 310979.

It is not an unprimeable number, because it can be changed into a prime (310949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (78540).

2³¹⁰⁹⁷⁹ is an apocalyptic number.

310979 is a deficient number, since it is larger than the sum of its proper divisors (3181).

310979 is a wasteful number, since it uses less digits than its factorization.

310979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 310979 is about 557.6549112130. The cubic root of 310979 is about 67.7501645308.

The spelling of 310979 in words is "three hundred ten thousand, nine hundred seventy-nine".