2134313221 has 4 divisors (see below), whose sum is σ = 2227109472. Its totient is φ = 2041516972.

The previous prime is 2134313197. The next prime is 2134313231. The reversal of 2134313221 is 1223134312.

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 2134313221 - 2¹³ = 2134305029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2134313192 and 2134313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134313231) 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, 46398091 + ... + 46398136.

It is an arithmetic number, because the mean of its divisors is an integer number (556777368).

Almost surely, 2^2134313221 is an apocalyptic number.

It is an amenable number.

2134313221 is a deficient number, since it is larger than the sum of its proper divisors (92796251).

2134313221 is an equidigital number, since it uses as much as digits as its factorization.

2134313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92796250.

The product of its digits is 864, while the sum is 22.

The square root of 2134313221 is about 46198.6279125257. The cubic root of 2134313221 is about 1287.5162474589.

Adding to 2134313221 its reverse (1223134312), we get a palindrome (3357447533).

The spelling of 2134313221 in words is "two billion, one hundred thirty-four million, three hundred thirteen thousand, two hundred twenty-one".