22000131311 has 4 divisors (see below), whose sum is σ = 22026354000. Its totient is φ = 21973908624.

The previous prime is 22000131277. The next prime is 22000131317. The reversal of 22000131311 is 11313100022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000131311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000131317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13110086 + ... + 13111763.

It is an arithmetic number, because the mean of its divisors is an integer number (5506588500).

Almost surely, 2^22000131311 is an apocalyptic number.

22000131311 is a deficient number, since it is larger than the sum of its proper divisors (26222689).

22000131311 is an equidigital number, since it uses as much as digits as its factorization.

22000131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222688.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 22000131311 its reverse (11313100022), we get a palindrome (33313231333).

The spelling of 22000131311 in words is "twenty-two billion, one hundred thirty-one thousand, three hundred eleven".