2131724967982 has 16 divisors (see below), whose sum is σ = 3305628572400. Its totient is φ = 1030325780160.

The previous prime is 2131724967979. The next prime is 2131724968027. The reversal of 2131724967982 is 2897694271312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131724967982.

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 in 7 ways as a sum of consecutive naturals, for example, 119241732 + ... + 119259607.

It is an arithmetic number, because the mean of its divisors is an integer number (206601785775).

Almost surely, 2^{2131724967982} is an apocalyptic number.

2131724967982 is a deficient number, since it is larger than the sum of its proper divisors (1173903604418).

2131724967982 is a wasteful number, since it uses less digits than its factorization.

2131724967982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238501491.

The product of its digits is 18289152, while the sum is 61.

The spelling of 2131724967982 in words is "two trillion, one hundred thirty-one billion, seven hundred twenty-four million, nine hundred sixty-seven thousand, nine hundred eighty-two".