131401776312 has 80 divisors (see below), whose sum is σ = 370944879360. Its totient is φ = 43455678336.

The previous prime is 131401776281. The next prime is 131401776313. The reversal of 131401776312 is 213677104131.

It is a happy number.

131401776312 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 17 + 7 + 631 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401776313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 716053 + ... + 880644.

It is an arithmetic number, because the mean of its divisors is an integer number (4636810992).

Almost surely, 2^131401776312 is an apocalyptic number.

131401776312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131401776312 is an abundant number, since it is smaller than the sum of its proper divisors (239543103048).

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

131401776312 is a wasteful number, since it uses less digits than its factorization.

131401776312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596842 (or 1596829 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 131401776312 in words is "one hundred thirty-one billion, four hundred one million, seven hundred seventy-six thousand, three hundred twelve".