131000321112 has 16 divisors (see below), whose sum is σ = 327500802840. Its totient is φ = 43666773696.

The previous prime is 131000321093. The next prime is 131000321113. The reversal of 131000321112 is 211123000131.

It is a happy number.

It is a super-2 number, since 2×131000321112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000321091 and 131000321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000321113) 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, 2729173333 + ... + 2729173380.

Almost surely, 2^131000321112 is an apocalyptic number.

131000321112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131000321112 is an abundant number, since it is smaller than the sum of its proper divisors (196500481728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131000321112 is a wasteful number, since it uses less digits than its factorization.

131000321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458346722 (or 5458346718 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131000321112 its reverse (211123000131), we get a palindrome (342123321243).

The spelling of 131000321112 in words is "one hundred thirty-one billion, three hundred twenty-one thousand, one hundred twelve".