1231040223227 has 2 divisors, whose sum is σ = 1231040223228. Its totient is φ = 1231040223226.

The previous prime is 1231040223223. The next prime is 1231040223337. The reversal of 1231040223227 is 7223220401321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231040223227 - 2² = 1231040223223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231040223227.

It is not a weakly prime, because it can be changed into another prime (1231040223221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615520111613 + 615520111614.

It is an arithmetic number, because the mean of its divisors is an integer number (615520111614).

Almost surely, 2^{1231040223227} is an apocalyptic number.

1231040223227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231040223227 is an equidigital number, since it uses as much as digits as its factorization.

1231040223227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 1231040223227 its reverse (7223220401321), we get a palindrome (8454260624548).

The spelling of 1231040223227 in words is "one trillion, two hundred thirty-one billion, forty million, two hundred twenty-three thousand, two hundred twenty-seven".