31924981141 has 8 divisors (see below), whose sum is σ = 32595554880. Its totient is φ = 31261215552.

The previous prime is 31924981087. The next prime is 31924981163. The reversal of 31924981141 is 14118942913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31924981141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31924981181) by changing a digit.

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, 1692561 + ... + 1711318.

It is an arithmetic number, because the mean of its divisors is an integer number (4074444360).

Almost surely, 2^31924981141 is an apocalyptic number.

It is an amenable number.

31924981141 is a deficient number, since it is larger than the sum of its proper divisors (670573739).

31924981141 is a wasteful number, since it uses less digits than its factorization.

31924981141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404075.

The product of its digits is 62208, while the sum is 43.

The spelling of 31924981141 in words is "thirty-one billion, nine hundred twenty-four million, nine hundred eighty-one thousand, one hundred forty-one".