22131031133009 has 2 divisors, whose sum is σ = 22131031133010. Its totient is φ = 22131031133008.

The previous prime is 22131031132981. The next prime is 22131031133017. The reversal of 22131031133009 is 90033113013122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13423958032384 + 8707073100625 = 3663872^2 + 2950775^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131031133009 - 2²⁰ = 22131030084433 is a prime.

It is not a weakly prime, because it can be changed into another prime (22131033133009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065515566504 + 11065515566505.

It is an arithmetic number, because the mean of its divisors is an integer number (11065515566505).

Almost surely, 2^{22131031133009} is an apocalyptic number.

It is an amenable number.

22131031133009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131031133009 is an equidigital number, since it uses as much as digits as its factorization.

22131031133009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 22131031133009 in words is "twenty-two trillion, one hundred thirty-one billion, thirty-one million, one hundred thirty-three thousand, nine".