13312221302453 has 2 divisors, whose sum is σ = 13312221302454. Its totient is φ = 13312221302452.

The previous prime is 13312221302399. The next prime is 13312221302473. The reversal of 13312221302453 is 35420312221331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9599574429124 + 3712646873329 = 3098318^2 + 1926823^2 .

It is a cyclic number.

It is not a de Polignac number, because 13312221302453 - 2²⁰ = 13312220253877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312221302473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656110651226 + 6656110651227.

It is an arithmetic number, because the mean of its divisors is an integer number (6656110651227).

Almost surely, 2^{13312221302453} is an apocalyptic number.

It is an amenable number.

13312221302453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312221302453 is an equidigital number, since it uses as much as digits as its factorization.

13312221302453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 13312221302453 its reverse (35420312221331), we get a palindrome (48732533523784).

The spelling of 13312221302453 in words is "thirteen trillion, three hundred twelve billion, two hundred twenty-one million, three hundred two thousand, four hundred fifty-three".