1311232421467 has 2 divisors, whose sum is σ = 1311232421468. Its totient is φ = 1311232421466.

The previous prime is 1311232421431. The next prime is 1311232421479. The reversal of 1311232421467 is 7641242321131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311232421467 - 2²⁷ = 1311098203739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311230421467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655616210733 + 655616210734.

It is an arithmetic number, because the mean of its divisors is an integer number (655616210734).

Almost surely, 2^{1311232421467} is an apocalyptic number.

1311232421467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311232421467 is an equidigital number, since it uses as much as digits as its factorization.

1311232421467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

Adding to 1311232421467 its reverse (7641242321131), we get a palindrome (8952474742598).

The spelling of 1311232421467 in words is "one trillion, three hundred eleven billion, two hundred thirty-two million, four hundred twenty-one thousand, four hundred sixty-seven".