312542018908 has 24 divisors (see below), whose sum is σ = 625219566944. Its totient is φ = 133917537600.

The previous prime is 312542018881. The next prime is 312542018909. The reversal of 312542018908 is 809810245213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312542018909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078383 + ... + 1337158.

Almost surely, 2^312542018908 is an apocalyptic number.

It is an amenable number.

312542018908 is an abundant number, since it is smaller than the sum of its proper divisors (312677548036).

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

312542018908 is a wasteful number, since it uses less digits than its factorization.

312542018908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420173 (or 2420171 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 312542018908 in words is "three hundred twelve billion, five hundred forty-two million, eighteen thousand, nine hundred eight".