312031032231000 has 128 divisors (see below), whose sum is σ = 977902458624000. Its totient is φ = 82835143804800.

The previous prime is 312031032230933. The next prime is 312031032231031. The reversal of 312031032231000 is 132230130213.

It is a super-2 number, since 2×312031032231000² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232538050 + ... + 233876049.

It is an arithmetic number, because the mean of its divisors is an integer number (7639862958000).

Almost surely, 2^{312031032231000} is an apocalyptic number.

312031032231000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312031032231000 is an abundant number, since it is smaller than the sum of its proper divisors (665871426393000).

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

312031032231000 is a wasteful number, since it uses less digits than its factorization.

312031032231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466414346 (or 466414332 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312031032231000 its reverse (132230130213), we get a palindrome (312163262361213).

The spelling of 312031032231000 in words is "three hundred twelve trillion, thirty-one billion, thirty-two million, two hundred thirty-one thousand".