312420032 has 14 divisors (see below), whose sum is σ = 619958628. Its totient is φ = 156209984.

The previous prime is 312420029. The next prime is 312420061. The reversal of 312420032 is 230024213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2440718 + ... + 2440845.

Almost surely, 2^312420032 is an apocalyptic number.

312420032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312420032 is a deficient number, since it is larger than the sum of its proper divisors (307538596).

312420032 is an equidigital number, since it uses as much as digits as its factorization.

312420032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881575 (or 4881565 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 312420032 is about 17675.4075483424. The cubic root of 312420032 is about 678.5465147977.

Adding to 312420032 its reverse (230024213), we get a palindrome (542444245).

The spelling of 312420032 in words is "three hundred twelve million, four hundred twenty thousand, thirty-two".