11343431 has 8 divisors (see below), whose sum is σ = 12608784. Its totient is φ = 10117120.

The previous prime is 11343401. The next prime is 11343469. The reversal of 11343431 is 13434311.

11343431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11343431 - 2¹⁰ = 11342407 is a prime.

It is a super-2 number, since 2×11343431² = 257346853703522, 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 (11343401) 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, 9146 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (1576098).

Almost surely, 2^11343431 is an apocalyptic number.

11343431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11343431 is a deficient number, since it is larger than the sum of its proper divisors (1265353).

11343431 is a wasteful number, since it uses less digits than its factorization.

11343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19521.

The product of its digits is 432, while the sum is 20.

The square root of 11343431 is about 3368.0010391922. The cubic root of 11343431 is about 224.6888274633.

Adding to 11343431 its reverse (13434311), we get a palindrome (24777742).

The spelling of 11343431 in words is "eleven million, three hundred forty-three thousand, four hundred thirty-one".