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11422031 is a prime number
BaseRepresentation
bin101011100100…
…100101001111
3210111022002012
4223210211033
510411001111
61044451435
7166041245
oct53444517
923438065
1011422031
1164a15a5
1239a9b7b
13249bbca
141734795
15100948b
hexae494f

11422031 has 2 divisors, whose sum is σ = 11422032. Its totient is φ = 11422030.

The previous prime is 11422013. The next prime is 11422039. The reversal of 11422031 is 13022411.

11422031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11422013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11422031 - 26 = 11421967 is a prime.

It is a super-2 number, since 2×114220312 = 260925584329922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11421997 and 11422015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11422039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711015 + 5711016.

It is an arithmetic number, because the mean of its divisors is an integer number (5711016).

Almost surely, 211422031 is an apocalyptic number.

11422031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422031 is an equidigital number, since it uses as much as digits as its factorization.

11422031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11422031 is about 3379.6495380438. The cubic root of 11422031 is about 225.2065987169.

Adding to 11422031 its reverse (13022411), we get a palindrome (24444442).

The spelling of 11422031 in words is "eleven million, four hundred twenty-two thousand, thirty-one".