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23231222101 is a prime number
BaseRepresentation
bin10101101000101100…
…000101000101010101
32012222000122100200101
4111220230011011111
5340034143101401
614401113414101
71451456062333
oct255054050525
965860570611
1023231222101
11994146800a
12460410a331
132262c58789
1411a54bab53
1590e785101
hex568b05155

23231222101 has 2 divisors, whose sum is σ = 23231222102. Its totient is φ = 23231222100.

The previous prime is 23231222099. The next prime is 23231222107. The reversal of 23231222101 is 10122213232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22684878225 + 546343876 = 150615^2 + 23374^2 .

It is a cyclic number.

It is not a de Polignac number, because 23231222101 - 21 = 23231222099 is a prime.

Together with 23231222099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615611050 + 11615611051.

It is an arithmetic number, because the mean of its divisors is an integer number (11615611051).

Almost surely, 223231222101 is an apocalyptic number.

It is an amenable number.

23231222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231222101 is an equidigital number, since it uses as much as digits as its factorization.

23231222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23231222101 its reverse (10122213232), we get a palindrome (33353435333).

The spelling of 23231222101 in words is "twenty-three billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred one".