112943531 has 4 divisors (see below), whose sum is σ = 112969200. Its totient is φ = 112917864.

The previous prime is 112943527. The next prime is 112943549. The reversal of 112943531 is 135349211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112943531 - 2² = 112943527 is a prime.

It is a super-2 number, since 2×112943531² = 25512482389495922, 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 = 112943494 and 112943503.

It is not an unprimeable number, because it can be changed into a prime (112943521) 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, 4376 + ... + 15653.

It is an arithmetic number, because the mean of its divisors is an integer number (28242300).

Almost surely, 2^112943531 is an apocalyptic number.

112943531 is a deficient number, since it is larger than the sum of its proper divisors (25669).

112943531 is an equidigital number, since it uses as much as digits as its factorization.

112943531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25668.

The product of its digits is 3240, while the sum is 29.

The square root of 112943531 is about 10627.4894024882. The cubic root of 112943531 is about 483.3782670341.

The spelling of 112943531 in words is "one hundred twelve million, nine hundred forty-three thousand, five hundred thirty-one".