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23011230131 is a prime number
BaseRepresentation
bin10101011011100100…
…111000000110110011
32012101200200121102122
4111123210320012303
5334111333331011
614323214304455
71443145141331
oct253344700663
965350617378
1023011230131
11983926a86a
1245624b812b
1322294c1906
1411841b2b51
158ea2cc3db
hex55b9381b3

23011230131 has 2 divisors, whose sum is σ = 23011230132. Its totient is φ = 23011230130.

The previous prime is 23011230119. The next prime is 23011230149. The reversal of 23011230131 is 13103211032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23011230131 is a prime.

It is a super-2 number, since 2×230112301312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23011230161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505615065 + 11505615066.

It is an arithmetic number, because the mean of its divisors is an integer number (11505615066).

Almost surely, 223011230131 is an apocalyptic number.

23011230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011230131 is an equidigital number, since it uses as much as digits as its factorization.

23011230131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23011230131 its reverse (13103211032), we get a palindrome (36114441163).

The spelling of 23011230131 in words is "twenty-three billion, eleven million, two hundred thirty thousand, one hundred thirty-one".