2130313321 has 4 divisors (see below), whose sum is σ = 2152275412. Its totient is φ = 2108351232.

The previous prime is 2130313319. The next prime is 2130313351. The reversal of 2130313321 is 1233130312.

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 902161296 + 1228152025 = 30036^2 + 35045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130313321 - 2¹ = 2130313319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130313351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10980900 + ... + 10981093.

It is an arithmetic number, because the mean of its divisors is an integer number (538068853).

Almost surely, 2^2130313321 is an apocalyptic number.

It is an amenable number.

2130313321 is a deficient number, since it is larger than the sum of its proper divisors (21962091).

2130313321 is an equidigital number, since it uses as much as digits as its factorization.

2130313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21962090.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2130313321 is about 46155.3173643081. The cubic root of 2130313321 is about 1286.7114363854.

Adding to 2130313321 its reverse (1233130312), we get a palindrome (3363443633).

The spelling of 2130313321 in words is "two billion, one hundred thirty million, three hundred thirteen thousand, three hundred twenty-one".