312328645 has 8 divisors (see below), whose sum is σ = 380073600. Its totient is φ = 246343440.

The previous prime is 312328609. The next prime is 312328649. The reversal of 312328645 is 546823213.

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

It is not a de Polignac number, because 312328645 - 2²³ = 303940037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312328645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312328649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439545 + ... + 440254.

It is an arithmetic number, because the mean of its divisors is an integer number (47509200).

Almost surely, 2^312328645 is an apocalyptic number.

It is an amenable number.

312328645 is a deficient number, since it is larger than the sum of its proper divisors (67744955).

312328645 is an equidigital number, since it uses as much as digits as its factorization.

312328645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879875.

The product of its digits is 34560, while the sum is 34.

The square root of 312328645 is about 17672.8222137835. The cubic root of 312328645 is about 678.4803470628.

It can be divided in two parts, 31 and 2328645, that added together give a square (2328676 = 1526²).

The spelling of 312328645 in words is "three hundred twelve million, three hundred twenty-eight thousand, six hundred forty-five".