318115898112 has 288 divisors, whose sum is σ = 910551962880. Its totient is φ = 98393702400.

The previous prime is 318115898101. The next prime is 318115898123. The reversal of 318115898112 is 211898511813.

It is an interprime number because it is at equal distance from previous prime (318115898101) and next prime (318115898123).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68394987 + ... + 68399637.

It is an arithmetic number, because the mean of its divisors is an integer number (3161638760).

Almost surely, 2^318115898112 is an apocalyptic number.

318115898112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318115898112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455275981440).

318115898112 is an abundant number, since it is smaller than the sum of its proper divisors (592436064768).

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

318115898112 is a wasteful number, since it uses less digits than its factorization.

318115898112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819 (or 4805 counting only the distinct ones).

The product of its digits is 138240, while the sum is 48.

The spelling of 318115898112 in words is "three hundred eighteen billion, one hundred fifteen million, eight hundred ninety-eight thousand, one hundred twelve".