11314031221 has 8 divisors (see below), whose sum is σ = 11610094104. Its totient is φ = 11018926080.

The previous prime is 11314031191. The next prime is 11314031227. The reversal of 11314031221 is 12213041311.

It can be written as a sum of positive squares in 4 ways, for example, as 599711121 + 10714320100 = 24489^2 + 103510^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11314031221 - 2¹³ = 11314023029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11314031227) 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, 215470 + ... + 262783.

It is an arithmetic number, because the mean of its divisors is an integer number (1451261763).

Almost surely, 2^11314031221 is an apocalyptic number.

It is an amenable number.

11314031221 is a deficient number, since it is larger than the sum of its proper divisors (296062883).

11314031221 is an equidigital number, since it uses as much as digits as its factorization.

11314031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478871.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11314031221 its reverse (12213041311), we get a palindrome (23527072532).

The spelling of 11314031221 in words is "eleven billion, three hundred fourteen million, thirty-one thousand, two hundred twenty-one".