112431993 has 12 divisors (see below), whose sum is σ = 152641680. Its totient is φ = 73591792.

The previous prime is 112431989. The next prime is 112431997. The reversal of 112431993 is 399134211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112431989) and next prime (112431997).

It is not a de Polignac number, because 112431993 - 2² = 112431989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112431997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140671 + ... + 141467.

It is an arithmetic number, because the mean of its divisors is an integer number (12720140).

Almost surely, 2^112431993 is an apocalyptic number.

It is an amenable number.

112431993 is a deficient number, since it is larger than the sum of its proper divisors (40209687).

112431993 is an frugal number, since it uses more digits than its factorization.

112431993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 859 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 112431993 is about 10603.3953524331. The cubic root of 112431993 is about 482.6473985670.

The spelling of 112431993 in words is "one hundred twelve million, four hundred thirty-one thousand, nine hundred ninety-three".