131331000221990 has 16 divisors (see below), whose sum is σ = 236441357594640. Its totient is φ = 52522276267680.

The previous prime is 131331000221989. The next prime is 131331000222127. The reversal of 131331000221990 is 99122000133131.

It is a self number, because there is not a number n which added to its sum of digits gives 131331000221990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265423156 + ... + 1265526935.

It is an arithmetic number, because the mean of its divisors is an integer number (14777584849665).

Almost surely, 2^{131331000221990} is an apocalyptic number.

131331000221990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131331000221990 is a deficient number, since it is larger than the sum of its proper divisors (105110357372650).

131331000221990 is a wasteful number, since it uses less digits than its factorization.

131331000221990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530955287.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 131331000221990 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, two hundred twenty-one thousand, nine hundred ninety".