1231431141312 has 84 divisors (see below), whose sum is σ = 3578026859680. Its totient is φ = 404854060032.

The previous prime is 1231431141263. The next prime is 1231431141329. The reversal of 1231431141312 is 2131411341321.

1231431141312 is a `hidden beast` number, since 1 + 2 + 31 + 4 + 311 + 4 + 1 + 312 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14601112 + ... + 14685207.

Almost surely, 2^{1231431141312} is an apocalyptic number.

1231431141312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231431141312 is an abundant number, since it is smaller than the sum of its proper divisors (2346595718368).

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

1231431141312 is a wasteful number, since it uses less digits than its factorization.

1231431141312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29286410 (or 29286397 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 1231431141312 its reverse (2131411341321), we get a palindrome (3362842482633).

The spelling of 1231431141312 in words is "one trillion, two hundred thirty-one billion, four hundred thirty-one million, one hundred forty-one thousand, three hundred twelve".