112531399 has 2 divisors, whose sum is σ = 112531400. Its totient is φ = 112531398.

The previous prime is 112531373. The next prime is 112531403. The reversal of 112531399 is 993135211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112531399 - 2²³ = 104142791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112531099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56265699 + 56265700.

It is an arithmetic number, because the mean of its divisors is an integer number (56265700).

Almost surely, 2^112531399 is an apocalyptic number.

112531399 is a deficient number, since it is larger than the sum of its proper divisors (1).

112531399 is an equidigital number, since it uses as much as digits as its factorization.

112531399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 34.

The square root of 112531399 is about 10608.0817775883. The cubic root of 112531399 is about 482.7895998306.

The spelling of 112531399 in words is "one hundred twelve million, five hundred thirty-one thousand, three hundred ninety-nine".