1113791431 has 8 divisors (see below), whose sum is σ = 1179612720. Its totient is φ = 1048003968.

The previous prime is 1113791423. The next prime is 1113791447. The reversal of 1113791431 is 1341973111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113791431 - 2³ = 1113791423 is a prime.

It is a super-2 number, since 2×1113791431² = 2481062703538055522, 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 = 1113791393 and 1113791402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113791531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97060 + ... + 107926.

It is an arithmetic number, because the mean of its divisors is an integer number (147451590).

Almost surely, 2^1113791431 is an apocalyptic number.

1113791431 is a deficient number, since it is larger than the sum of its proper divisors (65821289).

1113791431 is a wasteful number, since it uses less digits than its factorization.

1113791431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16913.

The product of its digits is 2268, while the sum is 31.

The square root of 1113791431 is about 33373.5139144801. The cubic root of 1113791431 is about 1036.5763375744.

The spelling of 1113791431 in words is "one billion, one hundred thirteen million, seven hundred ninety-one thousand, four hundred thirty-one".