22131433013 has 2 divisors, whose sum is σ = 22131433014. Its totient is φ = 22131433012.

The previous prime is 22131432979. The next prime is 22131433021. The reversal of 22131433013 is 31033413122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20271494884 + 1859938129 = 142378^2 + 43127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22131433013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22131433013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131433033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065716506 + 11065716507.

It is an arithmetic number, because the mean of its divisors is an integer number (11065716507).

Almost surely, 2^22131433013 is an apocalyptic number.

It is an amenable number.

22131433013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131433013 is an equidigital number, since it uses as much as digits as its factorization.

22131433013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 22131433013 its reverse (31033413122), we get a palindrome (53164846135).

The spelling of 22131433013 in words is "twenty-two billion, one hundred thirty-one million, four hundred thirty-three thousand, thirteen".