1224311319953 has 2 divisors, whose sum is σ = 1224311319954. Its totient is φ = 1224311319952.

The previous prime is 1224311319947. The next prime is 1224311319971. The reversal of 1224311319953 is 3599131134221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870884636944 + 353426683009 = 933212^2 + 594497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224311319953 - 2²² = 1224307125649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224311319923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612155659976 + 612155659977.

It is an arithmetic number, because the mean of its divisors is an integer number (612155659977).

Almost surely, 2^{1224311319953} is an apocalyptic number.

It is an amenable number.

1224311319953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224311319953 is an equidigital number, since it uses as much as digits as its factorization.

1224311319953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The spelling of 1224311319953 in words is "one trillion, two hundred twenty-four billion, three hundred eleven million, three hundred nineteen thousand, nine hundred fifty-three".