11450431 has 4 divisors (see below), whose sum is σ = 11588472. Its totient is φ = 11312392.

The previous prime is 11450429. The next prime is 11450441. The reversal of 11450431 is 13405411.

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 11450431 - 2¹ = 11450429 is a prime.

It is a super-2 number, since 2×11450431² = 262224740171522, 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 = 11450399 and 11450408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450441) 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, 68896 + ... + 69061.

It is an arithmetic number, because the mean of its divisors is an integer number (2897118).

Almost surely, 2^11450431 is an apocalyptic number.

11450431 is a deficient number, since it is larger than the sum of its proper divisors (138041).

11450431 is an equidigital number, since it uses as much as digits as its factorization.

11450431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138040.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11450431 is about 3383.8485486203. The cubic root of 11450431 is about 225.3930971826.

Adding to 11450431 its reverse (13405411), we get a palindrome (24855842).

It can be divided in two parts, 11450 and 431, that added together give a square (11881 = 109²).

The spelling of 11450431 in words is "eleven million, four hundred fifty thousand, four hundred thirty-one".