112531213 has 2 divisors, whose sum is σ = 112531214. Its totient is φ = 112531212.

The previous prime is 112531201. The next prime is 112531219. The reversal of 112531213 is 312135211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 49519369 = 7938^2 + 7037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112531213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112531219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56265606 + 56265607.

It is an arithmetic number, because the mean of its divisors is an integer number (56265607).

Almost surely, 2^112531213 is an apocalyptic number.

It is an amenable number.

112531213 is a deficient number, since it is larger than the sum of its proper divisors (1).

112531213 is an equidigital number, since it uses as much as digits as its factorization.

112531213 is an evil number, because the sum of its binary digits is even.

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

The square root of 112531213 is about 10608.0730106839. The cubic root of 112531213 is about 482.7893338340.

Adding to 112531213 its reverse (312135211), we get a palindrome (424666424).

The spelling of 112531213 in words is "one hundred twelve million, five hundred thirty-one thousand, two hundred thirteen".