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23331100231 is a prime number
BaseRepresentation
bin10101101110101001…
…000101011001000111
32020012222120200201101
4111232221011121013
5340240230201411
614415042240531
71454111036245
oct255651053107
966188520641
1023331100231
119992885a1a
124631656147
13227a85896a
1411b4879795
159184138c1
hex56ea45647

23331100231 has 2 divisors, whose sum is σ = 23331100232. Its totient is φ = 23331100230.

The previous prime is 23331100207. The next prime is 23331100241. The reversal of 23331100231 is 13200113332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23331100231 - 229 = 22794229319 is a prime.

It is a super-2 number, since 2×233311002312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23331100199 and 23331100208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23331100201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665550115 + 11665550116.

It is an arithmetic number, because the mean of its divisors is an integer number (11665550116).

Almost surely, 223331100231 is an apocalyptic number.

23331100231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331100231 is an equidigital number, since it uses as much as digits as its factorization.

23331100231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23331100231 its reverse (13200113332), we get a palindrome (36531213563).

The spelling of 23331100231 in words is "twenty-three billion, three hundred thirty-one million, one hundred thousand, two hundred thirty-one".