112213531 has 8 divisors (see below), whose sum is σ = 115249904. Its totient is φ = 109196640.

The previous prime is 112213523. The next prime is 112213537. The reversal of 112213531 is 135312211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112213531 - 2³ = 112213523 is a prime.

It is a super-2 number, since 2×112213531² = 25183753078975922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112213499 and 112213508.

It is not an unprimeable number, because it can be changed into a prime (112213537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7201 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (14406238).

Almost surely, 2^112213531 is an apocalyptic number.

112213531 is a deficient number, since it is larger than the sum of its proper divisors (3036373).

112213531 is an equidigital number, since it uses as much as digits as its factorization.

112213531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741.

The product of its digits is 180, while the sum is 19.

The square root of 112213531 is about 10593.0888318752. The cubic root of 112213531 is about 482.3345917490.

Adding to 112213531 its reverse (135312211), we get a palindrome (247525742).

The spelling of 112213531 in words is "one hundred twelve million, two hundred thirteen thousand, five hundred thirty-one".