22031423311 has 2 divisors, whose sum is σ = 22031423312. Its totient is φ = 22031423310.

The previous prime is 22031423299. The next prime is 22031423353. The reversal of 22031423311 is 11332413022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031423311 is a prime.

It is a super-2 number, since 2×22031423311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031426311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015711655 + 11015711656.

It is an arithmetic number, because the mean of its divisors is an integer number (11015711656).

Almost surely, 2^22031423311 is an apocalyptic number.

22031423311 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031423311 is an equidigital number, since it uses as much as digits as its factorization.

22031423311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22031423311 its reverse (11332413022), we get a palindrome (33363836333).

The spelling of 22031423311 in words is "twenty-two billion, thirty-one million, four hundred twenty-three thousand, three hundred eleven".