312613667 has 4 divisors (see below), whose sum is σ = 316896120. Its totient is φ = 308331216.

The previous prime is 312613633. The next prime is 312613687. The reversal of 312613667 is 766316213.

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 312613667 - 2⁶ = 312613603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312613627) 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, 2141117 + ... + 2141262.

It is an arithmetic number, because the mean of its divisors is an integer number (79224030).

Almost surely, 2^312613667 is an apocalyptic number.

312613667 is a deficient number, since it is larger than the sum of its proper divisors (4282453).

312613667 is an equidigital number, since it uses as much as digits as its factorization.

312613667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282452.

The product of its digits is 27216, while the sum is 35.

The square root of 312613667 is about 17680.8842256263. The cubic root of 312613667 is about 678.6866714303.

The spelling of 312613667 in words is "three hundred twelve million, six hundred thirteen thousand, six hundred sixty-seven".