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23231313317 is a prime number
BaseRepresentation
bin10101101000101100…
…011011010110100101
32012222000210222210202
4111220230123112211
5340034204011232
614401115400245
71451456622302
oct255054332645
965860728722
1023231313317
11994151a5a3
124604153085
132262c8b154
1411a55020a9
1590e7a2162
hex568b1b5a5

23231313317 has 2 divisors, whose sum is σ = 23231313318. Its totient is φ = 23231313316.

The previous prime is 23231313299. The next prime is 23231313367. The reversal of 23231313317 is 71331313232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15688564516 + 7542748801 = 125254^2 + 86849^2 .

It is a cyclic number.

It is not a de Polignac number, because 23231313317 - 26 = 23231313253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23231313317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231313367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615656658 + 11615656659.

It is an arithmetic number, because the mean of its divisors is an integer number (11615656659).

Almost surely, 223231313317 is an apocalyptic number.

It is an amenable number.

23231313317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231313317 is an equidigital number, since it uses as much as digits as its factorization.

23231313317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

Adding to 23231313317 its reverse (71331313232), we get a palindrome (94562626549).

The spelling of 23231313317 in words is "twenty-three billion, two hundred thirty-one million, three hundred thirteen thousand, three hundred seventeen".