131332120112 has 20 divisors (see below), whose sum is σ = 267848403480. Its totient is φ = 62209951488.

The previous prime is 131332120103. The next prime is 131332120159. The reversal of 131332120112 is 211021233131.

It is a happy number.

It is a super-2 number, since 2×131332120112² (a number of 23 digits) contains 22 as substring.

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, 216006473 + ... + 216007080.

It is an arithmetic number, because the mean of its divisors is an integer number (13392420174).

Almost surely, 2^131332120112 is an apocalyptic number.

It is an amenable number.

131332120112 is an abundant number, since it is smaller than the sum of its proper divisors (136516283368).

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

131332120112 is a wasteful number, since it uses less digits than its factorization.

131332120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432013580 (or 432013574 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131332120112 its reverse (211021233131), we get a palindrome (342353353243).

The spelling of 131332120112 in words is "one hundred thirty-one billion, three hundred thirty-two million, one hundred twenty thousand, one hundred twelve".