2301331322321 has 4 divisors (see below), whose sum is σ = 2301334401444. Its totient is φ = 2301328243200.

The previous prime is 2301331322267. The next prime is 2301331322351. The reversal of 2301331322321 is 1232231331032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 912857950096 + 1388473372225 = 955436^2 + 1178335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301331322321 - 2¹⁸ = 2301331060177 is a prime.

It is a super-2 number, since 2×2301331322321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2301331322351) 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, 376001 + ... + 2178081.

It is an arithmetic number, because the mean of its divisors is an integer number (575333600361).

Almost surely, 2^{2301331322321} is an apocalyptic number.

It is an amenable number.

2301331322321 is a deficient number, since it is larger than the sum of its proper divisors (3079123).

2301331322321 is a wasteful number, since it uses less digits than its factorization.

2301331322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079122.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2301331322321 its reverse (1232231331032), we get a palindrome (3533562653353).

The spelling of 2301331322321 in words is "two trillion, three hundred one billion, three hundred thirty-one million, three hundred twenty-two thousand, three hundred twenty-one".