11430431 has 8 divisors (see below), whose sum is σ = 11860800. Its totient is φ = 11007360.

The previous prime is 11430421. The next prime is 11430449. The reversal of 11430431 is 13403411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11430431 is a prime.

It is a super-2 number, since 2×11430431² = 261309505691522, 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 (11430421) 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, 1475 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (1482600).

Almost surely, 2^11430431 is an apocalyptic number.

11430431 is a deficient number, since it is larger than the sum of its proper divisors (430369).

11430431 is an equidigital number, since it uses as much as digits as its factorization.

11430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11430431 is about 3380.8920420504. The cubic root of 11430431 is about 225.2617924000.

Adding to 11430431 its reverse (13403411), we get a palindrome (24833842).

The spelling of 11430431 in words is "eleven million, four hundred thirty thousand, four hundred thirty-one".