312142304 has 24 divisors (see below), whose sum is σ = 650680128. Its totient is φ = 146890240.

The previous prime is 312142277. The next prime is 312142309. The reversal of 312142304 is 403241213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312142309) 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, 286352 + ... + 287439.

It is an arithmetic number, because the mean of its divisors is an integer number (27111672).

Almost surely, 2^312142304 is an apocalyptic number.

312142304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312142304 is an abundant number, since it is smaller than the sum of its proper divisors (338537824).

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

312142304 is a wasteful number, since it uses less digits than its factorization.

312142304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573818 (or 573810 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 312142304 is about 17667.5494622203. The cubic root of 312142304 is about 678.3453889453.

Adding to 312142304 its reverse (403241213), we get a palindrome (715383517).

The spelling of 312142304 in words is "three hundred twelve million, one hundred forty-two thousand, three hundred four".