31100132219990 has 16 divisors (see below), whose sum is σ = 58926566311920. Its totient is φ = 11785313262240.

The previous prime is 31100132219983. The next prime is 31100132220007. The reversal of 31100132219990 is 9991223100113.

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, 81842453021 + ... + 81842453400.

It is an arithmetic number, because the mean of its divisors is an integer number (3682910394495).

Almost surely, 2^{31100132219990} is an apocalyptic number.

31100132219990 is a deficient number, since it is larger than the sum of its proper divisors (27826434091930).

31100132219990 is a wasteful number, since it uses less digits than its factorization.

31100132219990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163684906447.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 31100132219990 in words is "thirty-one trillion, one hundred billion, one hundred thirty-two million, two hundred nineteen thousand, nine hundred ninety".