1431232113312 has 72 divisors (see below), whose sum is σ = 4078424147616. Its totient is φ = 476097699456.

The previous prime is 1431232113271. The next prime is 1431232113317. The reversal of 1431232113312 is 2133112321341.

1431232113312 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 2 + 321 + 1 + 331 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (1431232113317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4961958 + ... + 5242469.

It is an arithmetic number, because the mean of its divisors is an integer number (56644779828).

Almost surely, 2^{1431232113312} is an apocalyptic number.

1431232113312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431232113312 is an abundant number, since it is smaller than the sum of its proper divisors (2647192034304).

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

1431232113312 is a wasteful number, since it uses less digits than its factorization.

1431232113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204930 (or 10204919 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1431232113312 its reverse (2133112321341), we get a palindrome (3564344434653).

The spelling of 1431232113312 in words is "one trillion, four hundred thirty-one billion, two hundred thirty-two million, one hundred thirteen thousand, three hundred twelve".