Search a number
-
+
2133223031 is a prime number
BaseRepresentation
bin111111100100110…
…0110011001110111
312111200000221212102
41333021212121313
513332101114111
6551402212315
7103602045062
oct17711463167
95450027772
102133223031
119a5170045
124b64b409b
1327cc50b64
141634578d9
15c742b13b
hex7f266677

2133223031 has 2 divisors, whose sum is σ = 2133223032. Its totient is φ = 2133223030.

The previous prime is 2133223007. The next prime is 2133223033. The reversal of 2133223031 is 1303223312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2133223031 - 218 = 2132960887 is a prime.

It is a super-2 number, since 2×21332230312 = 9101280999977653922, which contains 22 as substring.

Together with 2133223033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133222994 and 2133223012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133223033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066611515 + 1066611516.

It is an arithmetic number, because the mean of its divisors is an integer number (1066611516).

Almost surely, 22133223031 is an apocalyptic number.

2133223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133223031 is an equidigital number, since it uses as much as digits as its factorization.

2133223031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2133223031 is about 46186.8274619507. The cubic root of 2133223031 is about 1287.2969924810.

Adding to 2133223031 its reverse (1303223312), we get a palindrome (3436446343).

The spelling of 2133223031 in words is "two billion, one hundred thirty-three million, two hundred twenty-three thousand, thirty-one".