1112403431 has 24 divisors (see below), whose sum is σ = 1242627600. Its totient is φ = 991872000.

The previous prime is 1112403377. The next prime is 1112403437. The reversal of 1112403431 is 1343042111.

It is not a de Polignac number, because 1112403431 - 2⁶ = 1112403367 is a prime.

It is a super-2 number, since 2×1112403431² = 2474882786601143522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112403437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925631 + ... + 926831.

It is an arithmetic number, because the mean of its divisors is an integer number (51776150).

Almost surely, 2^1112403431 is an apocalyptic number.

1112403431 is a deficient number, since it is larger than the sum of its proper divisors (130224169).

1112403431 is a wasteful number, since it uses less digits than its factorization.

1112403431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1112403431 is about 33352.7124983861. The cubic root of 1112403431 is about 1036.1455669077.

Adding to 1112403431 its reverse (1343042111), we get a palindrome (2455445542).

The spelling of 1112403431 in words is "one billion, one hundred twelve million, four hundred three thousand, four hundred thirty-one".