1313426024321 has 4 divisors (see below), whose sum is σ = 1345460805444. Its totient is φ = 1281391243200.

The previous prime is 1313426024297. The next prime is 1313426024333. The reversal of 1313426024321 is 1234206243131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 773106940225 + 540319084096 = 879265^2 + 735064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313426024321 - 2¹⁸ = 1313425762177 is a prime.

It is a super-2 number, since 2×1313426024321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313426024021) 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 3 ways as a sum of consecutive naturals, for example, 16017390500 + ... + 16017390581.

It is an arithmetic number, because the mean of its divisors is an integer number (336365201361).

Almost surely, 2^{1313426024321} is an apocalyptic number.

It is an amenable number.

1313426024321 is a deficient number, since it is larger than the sum of its proper divisors (32034781123).

1313426024321 is an equidigital number, since it uses as much as digits as its factorization.

1313426024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32034781122.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 1313426024321 in words is "one trillion, three hundred thirteen billion, four hundred twenty-six million, twenty-four thousand, three hundred twenty-one".