112431204251 has 2 divisors, whose sum is σ = 112431204252. Its totient is φ = 112431204250.

The previous prime is 112431204241. The next prime is 112431204287. The reversal of 112431204251 is 152402134211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112431204251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112431204251.

It is not a weakly prime, because it can be changed into another prime (112431204211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56215602125 + 56215602126.

It is an arithmetic number, because the mean of its divisors is an integer number (56215602126).

Almost surely, 2^112431204251 is an apocalyptic number.

112431204251 is a deficient number, since it is larger than the sum of its proper divisors (1).

112431204251 is an equidigital number, since it uses as much as digits as its factorization.

112431204251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 112431204251 its reverse (152402134211), we get a palindrome (264833338462).

The spelling of 112431204251 in words is "one hundred twelve billion, four hundred thirty-one million, two hundred four thousand, two hundred fifty-one".