131922981182 has 16 divisors (see below), whose sum is σ = 198346903200. Its totient is φ = 65807527680.

The previous prime is 131922981161. The next prime is 131922981199. The reversal of 131922981182 is 281189229131.

It is a super-2 number, since 2×131922981182² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1442582 + ... + 1531302.

It is an arithmetic number, because the mean of its divisors is an integer number (12396681450).

Almost surely, 2^131922981182 is an apocalyptic number.

131922981182 is a deficient number, since it is larger than the sum of its proper divisors (66423922018).

131922981182 is an equidigital number, since it uses as much as digits as its factorization.

131922981182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90451.

The product of its digits is 124416, while the sum is 47.

The spelling of 131922981182 in words is "one hundred thirty-one billion, nine hundred twenty-two million, nine hundred eighty-one thousand, one hundred eighty-two".