1331211310223 has 2 divisors, whose sum is σ = 1331211310224. Its totient is φ = 1331211310222.

The previous prime is 1331211310151. The next prime is 1331211310243. The reversal of 1331211310223 is 3220131121331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331211310223 - 2²⁴ = 1331194533007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331211310243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665605655111 + 665605655112.

It is an arithmetic number, because the mean of its divisors is an integer number (665605655112).

Almost surely, 2^{1331211310223} is an apocalyptic number.

1331211310223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331211310223 is an equidigital number, since it uses as much as digits as its factorization.

1331211310223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1331211310223 its reverse (3220131121331), we get a palindrome (4551342431554).

The spelling of 1331211310223 in words is "one trillion, three hundred thirty-one billion, two hundred eleven million, three hundred ten thousand, two hundred twenty-three".