11431330 has 16 divisors (see below), whose sum is σ = 20624184. Its totient is φ = 4561920.

The previous prime is 11431297. The next prime is 11431349. The reversal of 11431330 is 3313411.

It can be written as a sum of positive squares in 4 ways, for example, as 4498641 + 6932689 = 2121^2 + 2633^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4354 + ... + 6466.

Almost surely, 2^11431330 is an apocalyptic number.

11431330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431330 is a deficient number, since it is larger than the sum of its proper divisors (9192854).

11431330 is a wasteful number, since it uses less digits than its factorization.

11431330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 11431330 is about 3381.0249925134. The cubic root of 11431330 is about 225.2676978362.

Adding to 11431330 its reverse (3313411), we get a palindrome (14744741).

The spelling of 11431330 in words is "eleven million, four hundred thirty-one thousand, three hundred thirty".