31023220030039 has 2 divisors, whose sum is σ = 31023220030040. Its totient is φ = 31023220030038.

The previous prime is 31023220029917. The next prime is 31023220030067. The reversal of 31023220030039 is 93003002232013.

It is a happy number.

It is an a-pointer prime, because the next prime (31023220030067) can be obtained adding 31023220030039 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31023220030039 - 2⁷ = 31023220029911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31023220029989 and 31023220030016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023220030069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511610015019 + 15511610015020.

It is an arithmetic number, because the mean of its divisors is an integer number (15511610015020).

Almost surely, 2^{31023220030039} is an apocalyptic number.

31023220030039 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023220030039 is an equidigital number, since it uses as much as digits as its factorization.

31023220030039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 31023220030039 in words is "thirty-one trillion, twenty-three billion, two hundred twenty million, thirty thousand, thirty-nine".