312312108 has 12 divisors (see below), whose sum is σ = 728728280. Its totient is φ = 104104032.

The previous prime is 312312103. The next prime is 312312157. The reversal of 312312108 is 801213213.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (312312103) 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, 13012993 + ... + 13013016.

Almost surely, 2^312312108 is an apocalyptic number.

It is an amenable number.

312312108 is an abundant number, since it is smaller than the sum of its proper divisors (416416172).

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

312312108 is a wasteful number, since it uses less digits than its factorization.

312312108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026016 (or 26026014 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 312312108 is about 17672.3543423054. The cubic root of 312312108 is about 678.4683722539.

The spelling of 312312108 in words is "three hundred twelve million, three hundred twelve thousand, one hundred eight".