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2120331223 is a prime number
BaseRepresentation
bin111111001100001…
…1010111111010111
312110202202222122001
41332120122333113
513320301044343
6550222020131
7103354342453
oct17630327727
95422688561
102120331223
1199896525a
124b2117647
1327a388c7a
1416185d663
15c623144d
hex7e61afd7

2120331223 has 2 divisors, whose sum is σ = 2120331224. Its totient is φ = 2120331222.

The previous prime is 2120331181. The next prime is 2120331229. The reversal of 2120331223 is 3221330212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120331223 - 29 = 2120330711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120331223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120331229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060165611 + 1060165612.

It is an arithmetic number, because the mean of its divisors is an integer number (1060165612).

Almost surely, 22120331223 is an apocalyptic number.

2120331223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120331223 is an equidigital number, since it uses as much as digits as its factorization.

2120331223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2120331223 is about 46047.0544443399. The cubic root of 2120331223 is about 1284.6985566738.

Adding to 2120331223 its reverse (3221330212), we get a palindrome (5341661435).

The spelling of 2120331223 in words is "two billion, one hundred twenty million, three hundred thirty-one thousand, two hundred twenty-three".