312400299 has 16 divisors (see below), whose sum is σ = 452602880. Its totient is φ = 190939680.

The previous prime is 312400247. The next prime is 312400321. The reversal of 312400299 is 992004213.

It is not a de Polignac number, because 312400299 - 2¹⁹ = 311876011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312400219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86632 + ... + 90165.

It is an arithmetic number, because the mean of its divisors is an integer number (28287680).

Almost surely, 2^312400299 is an apocalyptic number.

312400299 is a deficient number, since it is larger than the sum of its proper divisors (140202581).

312400299 is a wasteful number, since it uses less digits than its factorization.

312400299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176850.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 312400299 is about 17674.8493345771. The cubic root of 312400299 is about 678.5322284322.

The spelling of 312400299 in words is "three hundred twelve million, four hundred thousand, two hundred ninety-nine".