312065304 has 16 divisors (see below), whose sum is σ = 780163320. Its totient is φ = 104021760.

The previous prime is 312065287. The next prime is 312065321. The reversal of 312065304 is 403560213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312065287) and next prime (312065321).

It is a super-2 number, since 2×312065304² = 194769507921224832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 13002721 = 312065304 / (3 + 1 + 2 + 0 + 6 + 5 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6501337 + ... + 6501384.

Almost surely, 2^312065304 is an apocalyptic number.

It is an amenable number.

312065304 is an abundant number, since it is smaller than the sum of its proper divisors (468098016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312065304 is a wasteful number, since it uses less digits than its factorization.

312065304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002730 (or 13002726 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 312065304 is about 17665.3701914225. The cubic root of 312065304 is about 678.2896057445.

The spelling of 312065304 in words is "three hundred twelve million, sixty-five thousand, three hundred four".