312152906 has 8 divisors (see below), whose sum is σ = 504247044. Its totient is φ = 144070560.

The previous prime is 312152899. The next prime is 312152959. The reversal of 312152906 is 609251213.

It can be written as a sum of positive squares in 2 ways, for example, as 309232225 + 2920681 = 17585^2 + 1709^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 6002915 + ... + 6002966.

Almost surely, 2^312152906 is an apocalyptic number.

312152906 is a deficient number, since it is larger than the sum of its proper divisors (192094138).

312152906 is a wasteful number, since it uses less digits than its factorization.

312152906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005896.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 312152906 is about 17667.8495012834. The cubic root of 312152906 is about 678.3530689215.

The spelling of 312152906 in words is "three hundred twelve million, one hundred fifty-two thousand, nine hundred six".