1313302221445 has 8 divisors (see below), whose sum is σ = 1575969833880. Its totient is φ = 1050636998400.

The previous prime is 1313302221401. The next prime is 1313302221449. The reversal of 1313302221445 is 5441222033131.

It can be written as a sum of positive squares in 4 ways, for example, as 799475609956 + 513826611489 = 894134^2 + 716817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313302221445 - 2¹³ = 1313302213253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313302221449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000345 + ... + 1904545.

It is an arithmetic number, because the mean of its divisors is an integer number (196996229235).

Almost surely, 2^{1313302221445} is an apocalyptic number.

It is an amenable number.

1313302221445 is a deficient number, since it is larger than the sum of its proper divisors (262667612435).

1313302221445 is an equidigital number, since it uses as much as digits as its factorization.

1313302221445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194695.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1313302221445 its reverse (5441222033131), we get a palindrome (6754524254576).

The spelling of 1313302221445 in words is "one trillion, three hundred thirteen billion, three hundred two million, two hundred twenty-one thousand, four hundred forty-five".