131543231374 has 4 divisors (see below), whose sum is σ = 197314847064. Its totient is φ = 65771615686.

The previous prime is 131543231357. The next prime is 131543231381. The reversal of 131543231374 is 473132345131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32885807842 + ... + 32885807845.

It is an arithmetic number, because the mean of its divisors is an integer number (49328711766).

Almost surely, 2^131543231374 is an apocalyptic number.

131543231374 is a deficient number, since it is larger than the sum of its proper divisors (65771615690).

131543231374 is an equidigital number, since it uses as much as digits as its factorization.

131543231374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65771615689.

The product of its digits is 90720, while the sum is 37.

The spelling of 131543231374 in words is "one hundred thirty-one billion, five hundred forty-three million, two hundred thirty-one thousand, three hundred seventy-four".