312366361 has 4 divisors (see below), whose sum is σ = 314092324. Its totient is φ = 310640400.

The previous prime is 312366359. The next prime is 312366377. The reversal of 312366361 is 163663213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163663213 = 7 ⋅23380459.

It can be written as a sum of positive squares in 2 ways, for example, as 6990736 + 305375625 = 2644^2 + 17475^2 .

It is a cyclic number.

It is not a de Polignac number, because 312366361 - 2¹ = 312366359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312366161) 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, 862710 + ... + 863071.

It is an arithmetic number, because the mean of its divisors is an integer number (78523081).

Almost surely, 2^312366361 is an apocalyptic number.

It is an amenable number.

312366361 is a deficient number, since it is larger than the sum of its proper divisors (1725963).

312366361 is a wasteful number, since it uses less digits than its factorization.

312366361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725962.

The product of its digits is 11664, while the sum is 31.

The square root of 312366361 is about 17673.8892437403. The cubic root of 312366361 is about 678.5076564746.

The spelling of 312366361 in words is "three hundred twelve million, three hundred sixty-six thousand, three hundred sixty-one".