312141861280 has 24 divisors (see below), whose sum is σ = 737435147652. Its totient is φ = 124856744448.

The previous prime is 312141861271. The next prime is 312141861287. The reversal of 312141861280 is 82168141213.

It can be written as a sum of positive squares in 2 ways, for example, as 302381211664 + 9760649616 = 549892^2 + 98796^2 .

It is not an unprimeable number, because it can be changed into a prime (312141861287) 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, 975443157 + ... + 975443476.

Almost surely, 2^312141861280 is an apocalyptic number.

It is an amenable number.

312141861280 is an abundant number, since it is smaller than the sum of its proper divisors (425293286372).

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

312141861280 is a wasteful number, since it uses less digits than its factorization.

312141861280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950886648 (or 1950886640 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 312141861280 in words is "three hundred twelve billion, one hundred forty-one million, eight hundred sixty-one thousand, two hundred eighty".