112131342 has 24 divisors (see below), whose sum is σ = 251330040. Its totient is φ = 36088080.

The previous prime is 112131323. The next prime is 112131343. The reversal of 112131342 is 243131211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106884 + ... + 107927.

It is an arithmetic number, because the mean of its divisors is an integer number (10472085).

Almost surely, 2^112131342 is an apocalyptic number.

112131342 is an abundant number, since it is smaller than the sum of its proper divisors (139198698).

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

112131342 is a wasteful number, since it uses less digits than its factorization.

112131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214848 (or 214845 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 112131342 is about 10589.2087523101. The cubic root of 112131342 is about 482.2168035765.

Adding to 112131342 its reverse (243131211), we get a palindrome (355262553).

The spelling of 112131342 in words is "one hundred twelve million, one hundred thirty-one thousand, three hundred forty-two".