312231431130000 has 200 divisors, whose sum is σ = 1016844389112288. Its totient is φ = 82524884736000.

The previous prime is 312231431129987. The next prime is 312231431130023. The reversal of 312231431130000 is 31134132213.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 39 ways as a sum of consecutive naturals, for example, 42661834 + ... + 49441833.

Almost surely, 2^{312231431130000} is an apocalyptic number.

312231431130000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312231431130000 is an abundant number, since it is smaller than the sum of its proper divisors (704612957982288).

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

312231431130000 is a wasteful number, since it uses less digits than its factorization.

312231431130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92103811 (or 92103790 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 312231431130000 its reverse (31134132213), we get a palindrome (312262565262213).

The spelling of 312231431130000 in words is "three hundred twelve trillion, two hundred thirty-one billion, four hundred thirty-one million, one hundred thirty thousand".