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22033203131 is a prime number
BaseRepresentation
bin10100100001010001…
…111111111110111011
32002212112100200121102
4110201101333332323
5330111000000011
614042200002015
71410001064552
oct244121777673
962775320542
1022033203131
119387194695
12432aa6030b
1321019a8c04
1410d0344d99
1588e4db73b
hex52147ffbb

22033203131 has 2 divisors, whose sum is σ = 22033203132. Its totient is φ = 22033203130.

The previous prime is 22033203113. The next prime is 22033203133. The reversal of 22033203131 is 13130233022.

Together with previous prime (22033203113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22033203131 is a prime.

It is a super-2 number, since 2×220332031312 (a number of 21 digits) contains 22 as substring.

Together with 22033203133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22033203133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016601565 + 11016601566.

It is an arithmetic number, because the mean of its divisors is an integer number (11016601566).

Almost surely, 222033203131 is an apocalyptic number.

22033203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22033203131 is an equidigital number, since it uses as much as digits as its factorization.

22033203131 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.

Adding to 22033203131 its reverse (13130233022), we get a palindrome (35163436153).

The spelling of 22033203131 in words is "twenty-two billion, thirty-three million, two hundred three thousand, one hundred thirty-one".