131301211112 has 16 divisors (see below), whose sum is σ = 246296427300. Its totient is φ = 65622163840.

The previous prime is 131301211087. The next prime is 131301211117. The reversal of 131301211112 is 211112103131.

It can be written as a sum of positive squares in 2 ways, for example, as 130605623236 + 695587876 = 361394^2 + 26374^2 .

It is not an unprimeable number, because it can be changed into a prime (131301211117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535589 + ... + 3572532.

Almost surely, 2^131301211112 is an apocalyptic number.

It is an amenable number.

131301211112 is a deficient number, since it is larger than the sum of its proper divisors (114995216188).

131301211112 is a wasteful number, since it uses less digits than its factorization.

131301211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110436 (or 7110432 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 131301211112 its reverse (211112103131), we get a palindrome (342413314243).

The spelling of 131301211112 in words is "one hundred thirty-one billion, three hundred one million, two hundred eleven thousand, one hundred twelve".