131981667821102 has 8 divisors (see below), whose sum is σ = 215970001889112. Its totient is φ = 59991667191400.

The previous prime is 131981667821083. The next prime is 131981667821119. The reversal of 131981667821102 is 201128766189131.

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

It is a super-2 number, since 2×131981667821102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999583359549 + ... + 2999583359592.

It is an arithmetic number, because the mean of its divisors is an integer number (26996250236139).

Almost surely, 2^{131981667821102} is an apocalyptic number.

131981667821102 is a deficient number, since it is larger than the sum of its proper divisors (83988334068010).

131981667821102 is a wasteful number, since it uses less digits than its factorization.

131981667821102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999166719154.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The spelling of 131981667821102 in words is "one hundred thirty-one trillion, nine hundred eighty-one billion, six hundred sixty-seven million, eight hundred twenty-one thousand, one hundred two".