22131323403017 has 2 divisors, whose sum is σ = 22131323403018. Its totient is φ = 22131323403016.

The previous prime is 22131323402957. The next prime is 22131323403031. The reversal of 22131323403017 is 71030432313122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20409215734336 + 1722107668681 = 4517656^2 + 1312291^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131323403017 - 2⁶ = 22131323402953 is a prime.

It is not a weakly prime, because it can be changed into another prime (22131323403097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065661701508 + 11065661701509.

It is an arithmetic number, because the mean of its divisors is an integer number (11065661701509).

Almost surely, 2^{22131323403017} is an apocalyptic number.

It is an amenable number.

22131323403017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131323403017 is an equidigital number, since it uses as much as digits as its factorization.

22131323403017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 22131323403017 its reverse (71030432313122), we get a palindrome (93161755716139).

The spelling of 22131323403017 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred twenty-three million, four hundred three thousand, seventeen".