31222220133089 has 2 divisors, whose sum is σ = 31222220133090. Its totient is φ = 31222220133088.

The previous prime is 31222220133077. The next prime is 31222220133127. The reversal of 31222220133089 is 98033102222213.

It is an a-pointer prime, because the next prime (31222220133127) can be obtained adding 31222220133089 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19554154752064 + 11668065381025 = 4422008^2 + 3415855^2 .

It is a cyclic number.

It is not a de Polignac number, because 31222220133089 - 2⁸ = 31222220132833 is a prime.

It is not a weakly prime, because it can be changed into another prime (31222220133889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611110066544 + 15611110066545.

It is an arithmetic number, because the mean of its divisors is an integer number (15611110066545).

Almost surely, 2^{31222220133089} is an apocalyptic number.

It is an amenable number.

31222220133089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31222220133089 is an equidigital number, since it uses as much as digits as its factorization.

31222220133089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 31222220133089 in words is "thirty-one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred thirty-three thousand, eighty-nine".