312097442888 has 192 divisors, whose sum is σ = 774301680000. Its totient is φ = 114485529600.

The previous prime is 312097442861. The next prime is 312097442893. The reversal of 312097442888 is 888244790213.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21895988 + ... + 21910236.

It is an arithmetic number, because the mean of its divisors is an integer number (4032821250).

Almost surely, 2^312097442888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312097442888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387150840000).

312097442888 is an abundant number, since it is smaller than the sum of its proper divisors (462204237112).

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

312097442888 is a wasteful number, since it uses less digits than its factorization.

312097442888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372 (or 14337 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 312097442888 in words is "three hundred twelve billion, ninety-seven million, four hundred forty-two thousand, eight hundred eighty-eight".