112431031 has 2 divisors, whose sum is σ = 112431032. Its totient is φ = 112431030.

The previous prime is 112431029. The next prime is 112431041. The reversal of 112431031 is 130134211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112431031 - 2¹ = 112431029 is a prime.

It is a super-2 number, since 2×112431031² = 25281473463445922, which contains 22 as substring.

Together with 112431029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112430996 and 112431014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112431001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56215515 + 56215516.

It is an arithmetic number, because the mean of its divisors is an integer number (56215516).

Almost surely, 2^112431031 is an apocalyptic number.

112431031 is a deficient number, since it is larger than the sum of its proper divisors (1).

112431031 is an equidigital number, since it uses as much as digits as its factorization.

112431031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 112431031 is about 10603.3499895080. The cubic root of 112431031 is about 482.6460220071.

Adding to 112431031 its reverse (130134211), we get a palindrome (242565242).

The spelling of 112431031 in words is "one hundred twelve million, four hundred thirty-one thousand, thirty-one".