312064442 has 8 divisors (see below), whose sum is σ = 468877332. Its totient is φ = 155772000.

The previous prime is 312064433. The next prime is 312064463. The reversal of 312064442 is 244460213.

It can be written as a sum of positive squares in 2 ways, for example, as 309443281 + 2621161 = 17591^2 + 1619^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128609 + ... + 131012.

Almost surely, 2^312064442 is an apocalyptic number.

312064442 is a deficient number, since it is larger than the sum of its proper divisors (156812890).

312064442 is a wasteful number, since it uses less digits than its factorization.

312064442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260224.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 312064442 is about 17665.3457933888. The cubic root of 312064442 is about 678.2889812105.

The spelling of 312064442 in words is "three hundred twelve million, sixty-four thousand, four hundred forty-two".