131122112 has 28 divisors (see below), whose sum is σ = 283851096. Its totient is φ = 59600640.

The previous prime is 131122111. The next prime is 131122129. The reversal of 131122112 is 211221131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122111) 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, 92423 + ... + 93830.

Almost surely, 2^131122112 is an apocalyptic number.

It is an amenable number.

131122112 is an abundant number, since it is smaller than the sum of its proper divisors (152728984).

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

131122112 is a wasteful number, since it uses less digits than its factorization.

131122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186276 (or 186266 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 131122112 is about 11450.8563871878. The cubic root of 131122112 is about 508.0330645807.

Adding to 131122112 its reverse (211221131), we get a palindrome (342343243).

It can be divided in two parts, 1 and 31122112, that added together give a palindrome (31122113).

The spelling of 131122112 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred twelve".