1112134431 has 4 divisors (see below), whose sum is σ = 1482845912. Its totient is φ = 741422952.

The previous prime is 1112134423. The next prime is 1112134451. The reversal of 1112134431 is 1344312111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1112134431 - 2³ = 1112134423 is a prime.

It is a super-2 number, since 2×1112134431² = 2473685985231387522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112134398 and 1112134407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112134411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185355736 + ... + 185355741.

It is an arithmetic number, because the mean of its divisors is an integer number (370711478).

Almost surely, 2^1112134431 is an apocalyptic number.

1112134431 is a deficient number, since it is larger than the sum of its proper divisors (370711481).

1112134431 is an equidigital number, since it uses as much as digits as its factorization.

1112134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370711480.

The product of its digits is 288, while the sum is 21.

The square root of 1112134431 is about 33348.6795990486. The cubic root of 1112134431 is about 1036.0620403682.

Adding to 1112134431 its reverse (1344312111), we get a palindrome (2456446542).

The spelling of 1112134431 in words is "one billion, one hundred twelve million, one hundred thirty-four thousand, four hundred thirty-one".