131132231311112 has 8 divisors (see below), whose sum is σ = 245872933708350. Its totient is φ = 65566115655552.

The previous prime is 131132231311099. The next prime is 131132231311141. The reversal of 131132231311112 is 211113132231131.

It can be written as a sum of positive squares in only one way, i.e., 125209072778596 + 5923158532516 = 11189686^2 + 2433754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8195764456937 + ... + 8195764456952.

Almost surely, 2^{131132231311112} is an apocalyptic number.

It is an amenable number.

131132231311112 is a deficient number, since it is larger than the sum of its proper divisors (114740702397238).

131132231311112 is a wasteful number, since it uses less digits than its factorization.

131132231311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16391528913895 (or 16391528913891 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

Adding to 131132231311112 its reverse (211113132231131), we get a palindrome (342245363542243).

The spelling of 131132231311112 in words is "one hundred thirty-one trillion, one hundred thirty-two billion, two hundred thirty-one million, three hundred eleven thousand, one hundred twelve".