312311319 has 8 divisors (see below), whose sum is σ = 434520192. Its totient is φ = 199155000.

The previous prime is 312311281. The next prime is 312311323. The reversal of 312311319 is 913113213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312311319 - 2⁹ = 312310807 is a prime.

It is a super-2 number, since 2×312311319² = 195076719951039522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312311359) 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 7 ways as a sum of consecutive naturals, for example, 2263057 + ... + 2263194.

It is an arithmetic number, because the mean of its divisors is an integer number (54315024).

Almost surely, 2^312311319 is an apocalyptic number.

312311319 is a deficient number, since it is larger than the sum of its proper divisors (122208873).

312311319 is a wasteful number, since it uses less digits than its factorization.

312311319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526277.

The product of its digits is 486, while the sum is 24.

The square root of 312311319 is about 17672.3320192894. The cubic root of 312311319 is about 678.4678009109.

The spelling of 312311319 in words is "three hundred twelve million, three hundred eleven thousand, three hundred nineteen".