11310421 has 2 divisors, whose sum is σ = 11310422. Its totient is φ = 11310420.

The previous prime is 11310413. The next prime is 11310427. The reversal of 11310421 is 12401311.

11310421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6180196 + 5130225 = 2486^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310421 - 2³ = 11310413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655210 + 5655211.

It is an arithmetic number, because the mean of its divisors is an integer number (5655211).

Almost surely, 2^11310421 is an apocalyptic number.

It is an amenable number.

11310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310421 is an equidigital number, since it uses as much as digits as its factorization.

11310421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11310421 is about 3363.0969358613. The cubic root of 11310421 is about 224.4706634748.

Adding to 11310421 its reverse (12401311), we get a palindrome (23711732).

The spelling of 11310421 in words is "eleven million, three hundred ten thousand, four hundred twenty-one".