312161804 has 24 divisors (see below), whose sum is σ = 553719600. Its totient is φ = 153964800.

The previous prime is 312161767. The next prime is 312161807. The reversal of 312161804 is 408161213.

It is not an unprimeable number, because it can be changed into a prime (312161807) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 213227 + ... + 214685.

It is an arithmetic number, because the mean of its divisors is an integer number (23071650).

Almost surely, 2^312161804 is an apocalyptic number.

It is an amenable number.

312161804 is a deficient number, since it is larger than the sum of its proper divisors (241557796).

312161804 is a wasteful number, since it uses less digits than its factorization.

312161804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 312161804 is about 17668.1013128180. The cubic root of 312161804 is about 678.3595144040.

The spelling of 312161804 in words is "three hundred twelve million, one hundred sixty-one thousand, eight hundred four".