3320105431021 has 2 divisors, whose sum is σ = 3320105431022. Its totient is φ = 3320105431020.

The previous prime is 3320105430953. The next prime is 3320105431031. The reversal of 3320105431021 is 1201345010233.

It is a happy number.

3320105431021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3212249675625 + 107855755396 = 1792275^2 + 328414^2 .

It is a cyclic number.

It is not a de Polignac number, because 3320105431021 - 2¹⁹ = 3320104906733 is a prime.

It is a super-2 number, since 2×3320105431021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3320105431031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660052715510 + 1660052715511.

It is an arithmetic number, because the mean of its divisors is an integer number (1660052715511).

Almost surely, 2^{3320105431021} is an apocalyptic number.

It is an amenable number.

3320105431021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3320105431021 is an equidigital number, since it uses as much as digits as its factorization.

3320105431021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 3320105431021 in words is "three trillion, three hundred twenty billion, one hundred five million, four hundred thirty-one thousand, twenty-one".