312313112940 has 48 divisors (see below), whose sum is σ = 920501809920. Its totient is φ = 78900154560.

The previous prime is 312313112929. The next prime is 312313112941. The reversal of 312313112940 is 49211313213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 312313112898 and 312313112907.

It is not an unprimeable number, because it can be changed into a prime (312313112941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136978296 + ... + 136980575.

It is an arithmetic number, because the mean of its divisors is an integer number (19177121040).

Almost surely, 2^312313112940 is an apocalyptic number.

312313112940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312313112940 is an abundant number, since it is smaller than the sum of its proper divisors (608188696980).

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

312313112940 is a wasteful number, since it uses less digits than its factorization.

312313112940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273958902 (or 273958900 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 312313112940 in words is "three hundred twelve billion, three hundred thirteen million, one hundred twelve thousand, nine hundred forty".