312013208 has 24 divisors (see below), whose sum is σ = 633491100. Its totient is φ = 144005472.

The previous prime is 312013201. The next prime is 312013211. The reversal of 312013208 is 802310213.

It is a self number, because there is not a number n which added to its sum of digits gives 312013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312013201) 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 5 ways as a sum of consecutive naturals, for example, 114038 + ... + 116741.

Almost surely, 2^312013208 is an apocalyptic number.

It is an amenable number.

312013208 is an abundant number, since it is smaller than the sum of its proper divisors (321477892).

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

312013208 is a wasteful number, since it uses less digits than its factorization.

312013208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230811 (or 230794 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 312013208 is about 17663.8956065756. The cubic root of 312013208 is about 678.2518592201.

The spelling of 312013208 in words is "three hundred twelve million, thirteen thousand, two hundred eight".