11431224401 has 2 divisors, whose sum is σ = 11431224402. Its totient is φ = 11431224400.

The previous prime is 11431224367. The next prime is 11431224419. The reversal of 11431224401 is 10442213411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11343315025 + 87909376 = 106505^2 + 9376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11431224401 is a prime.

It is not a weakly prime, because it can be changed into another prime (11431224421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715612200 + 5715612201.

It is an arithmetic number, because the mean of its divisors is an integer number (5715612201).

Almost surely, 2^11431224401 is an apocalyptic number.

It is an amenable number.

11431224401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11431224401 is an equidigital number, since it uses as much as digits as its factorization.

11431224401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11431224401 its reverse (10442213411), we get a palindrome (21873437812).

The spelling of 11431224401 in words is "eleven billion, four hundred thirty-one million, two hundred twenty-four thousand, four hundred one".