1053142331321 has 2 divisors, whose sum is σ = 1053142331322. Its totient is φ = 1053142331320.

The previous prime is 1053142331183. The next prime is 1053142331333. The reversal of 1053142331321 is 1231332413501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 877614849721 + 175527481600 = 936811^2 + 418960^2 .

It is an emirp because it is prime and its reverse (1231332413501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053142331321 is a prime.

It is a super-2 number, since 2×1053142331321² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053142331341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526571165660 + 526571165661.

It is an arithmetic number, because the mean of its divisors is an integer number (526571165661).

Almost surely, 2^{1053142331321} is an apocalyptic number.

It is an amenable number.

1053142331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053142331321 is an equidigital number, since it uses as much as digits as its factorization.

1053142331321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 1053142331321 its reverse (1231332413501), we get a palindrome (2284474744822).

The spelling of 1053142331321 in words is "one trillion, fifty-three billion, one hundred forty-two million, three hundred thirty-one thousand, three hundred twenty-one".