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11242212431 is a prime number
BaseRepresentation
bin10100111100001011…
…01000110001001111
31002000111012120020012
422132011220301033
5141011001244211
65055315343435
7545410141352
oct123605506117
932014176205
1011242212431
114849a3265a
122218bb1b7b
1310a2171508
14789120299
1545be85d8b
hex29e168c4f

11242212431 has 2 divisors, whose sum is σ = 11242212432. Its totient is φ = 11242212430.

The previous prime is 11242212419. The next prime is 11242212439. The reversal of 11242212431 is 13421224211.

11242212431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11242212431 - 214 = 11242196047 is a prime.

It is a super-2 number, since 2×112422124312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11242212397 and 11242212406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11242212439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621106215 + 5621106216.

It is an arithmetic number, because the mean of its divisors is an integer number (5621106216).

Almost surely, 211242212431 is an apocalyptic number.

11242212431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242212431 is an equidigital number, since it uses as much as digits as its factorization.

11242212431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

Adding to 11242212431 its reverse (13421224211), we get a palindrome (24663436642).

The spelling of 11242212431 in words is "eleven billion, two hundred forty-two million, two hundred twelve thousand, four hundred thirty-one".