31023220030069 has 2 divisors, whose sum is σ = 31023220030070. Its totient is φ = 31023220030068.

The previous prime is 31023220030067. The next prime is 31023220030087. The reversal of 31023220030069 is 96003002232013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23916383831844 + 7106836198225 = 4890438^2 + 2665865^2 .

It is an emirp because it is prime and its reverse (96003002232013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31023220030069 - 2¹ = 31023220030067 is a prime.

It is a super-2 number, since 2×31023220030069² (a number of 28 digits) contains 22 as substring.

Together with 31023220030067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31023220030069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023220030067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511610015034 + 15511610015035.

It is an arithmetic number, because the mean of its divisors is an integer number (15511610015035).

Almost surely, 2^{31023220030069} is an apocalyptic number.

It is an amenable number.

31023220030069 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023220030069 is an equidigital number, since it uses as much as digits as its factorization.

31023220030069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 31023220030069 in words is "thirty-one trillion, twenty-three billion, two hundred twenty million, thirty thousand, sixty-nine".