312241295820 has 24 divisors (see below), whose sum is σ = 874275628464. Its totient is φ = 83264345536.

The previous prime is 312241295813. The next prime is 312241295831. The reversal of 312241295820 is 28592142213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2602010739 + ... + 2602010858.

It is an arithmetic number, because the mean of its divisors is an integer number (36428151186).

Almost surely, 2^312241295820 is an apocalyptic number.

312241295820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312241295820 is an abundant number, since it is smaller than the sum of its proper divisors (562034332644).

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

312241295820 is a wasteful number, since it uses less digits than its factorization.

312241295820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204021609 (or 5204021607 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 312241295820 in words is "three hundred twelve billion, two hundred forty-one million, two hundred ninety-five thousand, eight hundred twenty".