11342431 has 4 divisors (see below), whose sum is σ = 11446600. Its totient is φ = 11238264.

The previous prime is 11342423. The next prime is 11342447. The reversal of 11342431 is 13424311.

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

It is a cyclic number.

It is not a de Polignac number, because 11342431 - 2³ = 11342423 is a prime.

It is a super-2 number, since 2×11342431² = 257301481979522, 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 = 11342399 and 11342408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51921 + ... + 52138.

It is an arithmetic number, because the mean of its divisors is an integer number (2861650).

Almost surely, 2^11342431 is an apocalyptic number.

11342431 is a deficient number, since it is larger than the sum of its proper divisors (104169).

11342431 is a wasteful number, since it uses less digits than its factorization.

11342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104168.

The product of its digits is 288, while the sum is 19.

The square root of 11342431 is about 3367.8525799090. The cubic root of 11342431 is about 224.6822246571.

Adding to 11342431 its reverse (13424311), we get a palindrome (24766742).

The spelling of 11342431 in words is "eleven million, three hundred forty-two thousand, four hundred thirty-one".