312544698368 has 168 divisors, whose sum is σ = 752200870500. Its totient is φ = 129324023808.

The previous prime is 312544698359. The next prime is 312544698377. The reversal of 312544698368 is 863896445213.

It is an interprime number because it is at equal distance from previous prime (312544698359) and next prime (312544698377).

It can be written as a sum of positive squares in 2 ways, for example, as 309100417024 + 3444281344 = 555968^2 + 58688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11627408 + ... + 11654256.

Almost surely, 2^312544698368 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 312544698368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376100435250).

312544698368 is an abundant number, since it is smaller than the sum of its proper divisors (439656172132).

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

312544698368 is an equidigital number, since it uses as much as digits as its factorization.

312544698368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918 (or 26887 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The spelling of 312544698368 in words is "three hundred twelve billion, five hundred forty-four million, six hundred ninety-eight thousand, three hundred sixty-eight".