112531413 has 4 divisors (see below), whose sum is σ = 150041888. Its totient is φ = 75020940.

The previous prime is 112531403. The next prime is 112531417. The reversal of 112531413 is 314135211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112531413 - 2¹⁰ = 112530389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112531413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112531417) 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, 18755233 + ... + 18755238.

It is an arithmetic number, because the mean of its divisors is an integer number (37510472).

Almost surely, 2^112531413 is an apocalyptic number.

It is an amenable number.

112531413 is a deficient number, since it is larger than the sum of its proper divisors (37510475).

112531413 is an equidigital number, since it uses as much as digits as its factorization.

112531413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37510474.

The product of its digits is 360, while the sum is 21.

The square root of 112531413 is about 10608.0824374625. The cubic root of 112531413 is about 482.7896198518.

Adding to 112531413 its reverse (314135211), we get a palindrome (426666624).

The spelling of 112531413 in words is "one hundred twelve million, five hundred thirty-one thousand, four hundred thirteen".