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20233056031 is a prime number
BaseRepresentation
bin10010110101111110…
…111110111100011111
31221020002001202000121
4102311332332330133
5312414130243111
613143412335411
71314252065356
oct226576767437
957202052017
1020233056031
11864303a511
123b08014567
131ba5a66c06
14d9d23099d
157d6454871
hex4b5fbef1f

20233056031 has 2 divisors, whose sum is σ = 20233056032. Its totient is φ = 20233056030.

The previous prime is 20233056017. The next prime is 20233056043. The reversal of 20233056031 is 13065033202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20233056031 - 211 = 20233053983 is a prime.

It is a super-3 number, since 3×202330560313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20233055987 and 20233056005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20237056031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116528015 + 10116528016.

It is an arithmetic number, because the mean of its divisors is an integer number (10116528016).

Almost surely, 220233056031 is an apocalyptic number.

20233056031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233056031 is an equidigital number, since it uses as much as digits as its factorization.

20233056031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20233056031 its reverse (13065033202), we get a palindrome (33298089233).

The spelling of 20233056031 in words is "twenty billion, two hundred thirty-three million, fifty-six thousand, thirty-one".