312230311140 has 48 divisors (see below), whose sum is σ = 953721679680. Its totient is φ = 75692196480.

The previous prime is 312230311069. The next prime is 312230311157. The reversal of 312230311140 is 41113032213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236537455 + ... + 236538774.

It is an arithmetic number, because the mean of its divisors is an integer number (19869201660).

Almost surely, 2^312230311140 is an apocalyptic number.

312230311140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312230311140 is an abundant number, since it is smaller than the sum of its proper divisors (641491368540).

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

312230311140 is a wasteful number, since it uses less digits than its factorization.

312230311140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473076252 (or 473076250 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312230311140 its reverse (41113032213), we get a palindrome (353343343353).

The spelling of 312230311140 in words is "three hundred twelve billion, two hundred thirty million, three hundred eleven thousand, one hundred forty".