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23313411281 is a prime number
BaseRepresentation
bin10101101101100101…
…100110110011010001
32020011202022000001002
4111231211212303101
5340221213130111
614413211151345
71453504504046
oct255545466321
966152260032
1023313411281
1199838a3a56
124627745555
132276ca4424
1411b23931cd
15916abc63b
hex56d966cd1

23313411281 has 2 divisors, whose sum is σ = 23313411282. Its totient is φ = 23313411280.

The previous prime is 23313411241. The next prime is 23313411301. The reversal of 23313411281 is 18211431332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20275196881 + 3038214400 = 142391^2 + 55120^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313411281 - 210 = 23313410257 is a prime.

It is a super-2 number, since 2×233134112812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23313411211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656705640 + 11656705641.

It is an arithmetic number, because the mean of its divisors is an integer number (11656705641).

Almost surely, 223313411281 is an apocalyptic number.

It is an amenable number.

23313411281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313411281 is an equidigital number, since it uses as much as digits as its factorization.

23313411281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The spelling of 23313411281 in words is "twenty-three billion, three hundred thirteen million, four hundred eleven thousand, two hundred eighty-one".