1301323121333 has 8 divisors (see below), whose sum is σ = 1302777804600. Its totient is φ = 1299868592320.

The previous prime is 1301323121323. The next prime is 1301323121347. The reversal of 1301323121333 is 3331213231031.

It can be written as a sum of positive squares in 4 ways, for example, as 76440049 + 1301246681284 = 8743^2 + 1140722^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301323121333 is a prime.

It is a super-2 number, since 2×1301323121333² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301323121323) 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 in 7 ways as a sum of consecutive naturals, for example, 28053443 + ... + 28099791.

It is an arithmetic number, because the mean of its divisors is an integer number (162847225575).

Almost surely, 2^{1301323121333} is an apocalyptic number.

It is an amenable number.

1301323121333 is a deficient number, since it is larger than the sum of its proper divisors (1454683267).

1301323121333 is an equidigital number, since it uses as much as digits as its factorization.

1301323121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77127.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1301323121333 its reverse (3331213231031), we get a palindrome (4632536352364).

The spelling of 1301323121333 in words is "one trillion, three hundred one billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred thirty-three".