31223322070069 has 2 divisors, whose sum is σ = 31223322070070. Its totient is φ = 31223322070068.

The previous prime is 31223322070067. The next prime is 31223322070103. The reversal of 31223322070069 is 96007022332213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29635502822500 + 1587819247569 = 5443850^2 + 1260087^2 .

It is a cyclic number.

It is not a de Polignac number, because 31223322070069 - 2¹ = 31223322070067 is a prime.

It is a super-2 number, since 2×31223322070069² (a number of 28 digits) contains 22 as substring.

Together with 31223322070067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31223322070067) 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 as a sum of consecutive naturals, namely, 15611661035034 + 15611661035035.

It is an arithmetic number, because the mean of its divisors is an integer number (15611661035035).

Almost surely, 2^{31223322070069} is an apocalyptic number.

It is an amenable number.

31223322070069 is a deficient number, since it is larger than the sum of its proper divisors (1).

31223322070069 is an equidigital number, since it uses as much as digits as its factorization.

31223322070069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 31223322070069 in words is "thirty-one trillion, two hundred twenty-three billion, three hundred twenty-two million, seventy thousand, sixty-nine".