312064403 has 4 divisors (see below), whose sum is σ = 356645040. Its totient is φ = 267483768.

The previous prime is 312064397. The next prime is 312064411. The reversal of 312064403 is 304460213.

It is a happy number.

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 312064403 - 2⁶ = 312064339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312064433) 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, 22290308 + ... + 22290321.

It is an arithmetic number, because the mean of its divisors is an integer number (89161260).

Almost surely, 2^312064403 is an apocalyptic number.

312064403 is a deficient number, since it is larger than the sum of its proper divisors (44580637).

312064403 is an equidigital number, since it uses as much as digits as its factorization.

312064403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44580636.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 312064403 is about 17665.3446895327. The cubic root of 312064403 is about 678.2889529543.

The spelling of 312064403 in words is "three hundred twelve million, sixty-four thousand, four hundred three".