2113303321 has 4 divisors (see below), whose sum is σ = 2117167312. Its totient is φ = 2109439332.

The previous prime is 2113303301. The next prime is 2113303331. The reversal of 2113303321 is 1233033112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113303321 - 2²¹ = 2111206169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113303301) 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, 1931175 + ... + 1932268.

It is an arithmetic number, because the mean of its divisors is an integer number (529291828).

Almost surely, 2^2113303321 is an apocalyptic number.

It is an amenable number.

2113303321 is a deficient number, since it is larger than the sum of its proper divisors (3863991).

2113303321 is an equidigital number, since it uses as much as digits as its factorization.

2113303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863990.

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

The square root of 2113303321 is about 45970.6789268986. The cubic root of 2113303321 is about 1283.2775948281.

Adding to 2113303321 its reverse (1233033112), we get a palindrome (3346336433).

The spelling of 2113303321 in words is "two billion, one hundred thirteen million, three hundred three thousand, three hundred twenty-one".