112320531 has 24 divisors (see below), whose sum is σ = 164857680. Its totient is φ = 73683456.

The previous prime is 112320517. The next prime is 112320539. The reversal of 112320531 is 135023211.

112320531 is a `hidden beast` number, since 112 + 3 + 20 + 531 = 666.

It is not a de Polignac number, because 112320531 - 2²³ = 103931923 is a prime.

It is a super-2 number, since 2×112320531² = 25231803368243922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112320539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181735 + ... + 182351.

It is an arithmetic number, because the mean of its divisors is an integer number (6869070).

Almost surely, 2^112320531 is an apocalyptic number.

112320531 is a deficient number, since it is larger than the sum of its proper divisors (52537149).

112320531 is a wasteful number, since it uses less digits than its factorization.

112320531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 112320531 is about 10598.1380911932. The cubic root of 112320531 is about 482.4878513590.

Adding to 112320531 its reverse (135023211), we get a palindrome (247343742).

The spelling of 112320531 in words is "one hundred twelve million, three hundred twenty thousand, five hundred thirty-one".