1326228226231 has 2 divisors, whose sum is σ = 1326228226232. Its totient is φ = 1326228226230.

The previous prime is 1326228226223. The next prime is 1326228226249.

1326228226231 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1326228226231 - 2³ = 1326228226223 is a prime.

It is a super-2 number, since 2×1326228226231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326228226261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663114113115 + 663114113116.

It is an arithmetic number, because the mean of its divisors is an integer number (663114113116).

Almost surely, 2^{1326228226231} is an apocalyptic number.

1326228226231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326228226231 is an equidigital number, since it uses as much as digits as its factorization.

1326228226231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The spelling of 1326228226231 in words is "one trillion, three hundred twenty-six billion, two hundred twenty-eight million, two hundred twenty-six thousand, two hundred thirty-one".