1313211132227 has 2 divisors, whose sum is σ = 1313211132228. Its totient is φ = 1313211132226.

The previous prime is 1313211132223. The next prime is 1313211132341. The reversal of 1313211132227 is 7222311123131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313211132227 - 2² = 1313211132223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313211132227.

It is not a weakly prime, because it can be changed into another prime (1313211132223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656605566113 + 656605566114.

It is an arithmetic number, because the mean of its divisors is an integer number (656605566114).

Almost surely, 2^{1313211132227} is an apocalyptic number.

1313211132227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313211132227 is an equidigital number, since it uses as much as digits as its factorization.

1313211132227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

Adding to 1313211132227 its reverse (7222311123131), we get a palindrome (8535522255358).

The spelling of 1313211132227 in words is "one trillion, three hundred thirteen billion, two hundred eleven million, one hundred thirty-two thousand, two hundred twenty-seven".