313891993088 has 40 divisors (see below), whose sum is σ = 629862875928. Its totient is φ = 156272349184.

The previous prime is 313891993067. The next prime is 313891993109. The reversal of 313891993088 is 880399198313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (313891993067) and next prime (313891993109).

It is a self number, because there is not a number n which added to its sum of digits gives 313891993088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196306 + ... + 1434897.

Almost surely, 2^313891993088 is an apocalyptic number.

It is an amenable number.

313891993088 is an abundant number, since it is smaller than the sum of its proper divisors (315970882840).

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

313891993088 is an equidigital number, since it uses as much as digits as its factorization.

313891993088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631454 (or 2631438 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 313891993088 in words is "three hundred thirteen billion, eight hundred ninety-one million, nine hundred ninety-three thousand, eighty-eight".