13231040227 has 2 divisors, whose sum is σ = 13231040228. Its totient is φ = 13231040226.

The previous prime is 13231040201. The next prime is 13231040293. The reversal of 13231040227 is 72204013231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13231040227 - 2¹⁹ = 13230515939 is a prime.

It is not a weakly prime, because it can be changed into another prime (13231040527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615520113 + 6615520114.

It is an arithmetic number, because the mean of its divisors is an integer number (6615520114).

Almost surely, 2^13231040227 is an apocalyptic number.

13231040227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231040227 is an equidigital number, since it uses as much as digits as its factorization.

13231040227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 13231040227 its reverse (72204013231), we get a palindrome (85435053458).

The spelling of 13231040227 in words is "thirteen billion, two hundred thirty-one million, forty thousand, two hundred twenty-seven".