11102431 has 4 divisors (see below), whose sum is σ = 11373264. Its totient is φ = 10831600.

The previous prime is 11102417. The next prime is 11102453. The reversal of 11102431 is 13420111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13420111 = 389 ⋅34499.

It is a cyclic number.

It is not a de Polignac number, because 11102431 - 2⁷ = 11102303 is a prime.

It is a super-2 number, since 2×11102431² = 246527948219522, 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 (11102401) 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, 135355 + ... + 135436.

It is an arithmetic number, because the mean of its divisors is an integer number (2843316).

Almost surely, 2^11102431 is an apocalyptic number.

11102431 is a deficient number, since it is larger than the sum of its proper divisors (270833).

11102431 is an equidigital number, since it uses as much as digits as its factorization.

11102431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270832.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11102431 is about 3332.0310622802. The cubic root of 11102431 is about 223.0861940322.

Adding to 11102431 its reverse (13420111), we get a palindrome (24522542).

The spelling of 11102431 in words is "eleven million, one hundred two thousand, four hundred thirty-one".