312647543488 has 168 divisors, whose sum is σ = 763698979584. Its totient is φ = 126358848000.

The previous prime is 312647543479. The next prime is 312647543497. The reversal of 312647543488 is 884345746213.

It is an interprime number because it is at equal distance from previous prime (312647543479) and next prime (312647543497).

It is a super-2 number, since 2×312647543488² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5090563 + ... + 5151613.

Almost surely, 2^312647543488 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 312647543488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381849489792).

312647543488 is an abundant number, since it is smaller than the sum of its proper divisors (451051436096).

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

312647543488 is a wasteful number, since it uses less digits than its factorization.

312647543488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61171 (or 61154 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 55.

The spelling of 312647543488 in words is "three hundred twelve billion, six hundred forty-seven million, five hundred forty-three thousand, four hundred eighty-eight".