2321313321 has 8 divisors (see below), whose sum is σ = 3095345664. Its totient is φ = 1547411600.

The previous prime is 2321313307. The next prime is 2321313347. The reversal of 2321313321 is 1233131232.

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

It is a cyclic number.

It is not a de Polignac number, because 2321313321 - 2⁹ = 2321312809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321313361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21775 + ... + 71531.

It is an arithmetic number, because the mean of its divisors is an integer number (386918208).

Almost surely, 2^2321313321 is an apocalyptic number.

It is an amenable number.

2321313321 is a deficient number, since it is larger than the sum of its proper divisors (774032343).

2321313321 is a wasteful number, since it uses less digits than its factorization.

2321313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65311.

The product of its digits is 648, while the sum is 21.

The square root of 2321313321 is about 48180.0095579069. The cubic root of 2321313321 is about 1324.0709416462.

Adding to 2321313321 its reverse (1233131232), we get a palindrome (3554444553).

The spelling of 2321313321 in words is "two billion, three hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-one".