11112431 has 8 divisors (see below), whose sum is σ = 12322128. Its totient is φ = 9936000.

The previous prime is 11112421. The next prime is 11112433. The reversal of 11112431 is 13421111.

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 11112431 - 2¹⁰ = 11111407 is a prime.

It is a super-2 number, since 2×11112431² = 246972245459522, 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 (11112433) 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, 7610 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (1540266).

Almost surely, 2^11112431 is an apocalyptic number.

11112431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11112431 is a deficient number, since it is larger than the sum of its proper divisors (1209697).

11112431 is a wasteful number, since it uses less digits than its factorization.

11112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16633.

The product of its digits is 24, while the sum is 14.

The square root of 11112431 is about 3333.5313107874. The cubic root of 11112431 is about 223.1531521153.

Adding to 11112431 its reverse (13421111), we get a palindrome (24533542).

The spelling of 11112431 in words is "eleven million, one hundred twelve thousand, four hundred thirty-one".