313148340988 has 24 divisors (see below), whose sum is σ = 626456793312. Its totient is φ = 134172122304.

The previous prime is 313148340961. The next prime is 313148340991. The reversal of 313148340988 is 889043841313.

It is a super-2 number, since 2×313148340988² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317931 + ... + 1537282.

It is an arithmetic number, because the mean of its divisors is an integer number (26102366388).

Almost surely, 2^313148340988 is an apocalyptic number.

It is an amenable number.

313148340988 is an abundant number, since it is smaller than the sum of its proper divisors (313308452324).

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

313148340988 is a wasteful number, since it uses less digits than its factorization.

313148340988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859141 (or 2859139 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 313148340988 in words is "three hundred thirteen billion, one hundred forty-eight million, three hundred forty thousand, nine hundred eighty-eight".