3331420397 has 2 divisors, whose sum is σ = 3331420398. Its totient is φ = 3331420396.

The previous prime is 3331420387. The next prime is 3331420531. The reversal of 3331420397 is 7930241333.

3331420397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2513117161 + 818303236 = 50131^2 + 28606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331420397 - 2⁴ = 3331420381 is a prime.

It is a super-2 number, since 2×3331420397² = 22196723723095275218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331420387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665710198 + 1665710199.

It is an arithmetic number, because the mean of its divisors is an integer number (1665710199).

Almost surely, 2^3331420397 is an apocalyptic number.

It is an amenable number.

3331420397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331420397 is an equidigital number, since it uses as much as digits as its factorization.

3331420397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 3331420397 is about 57718.4580268739. The cubic root of 3331420397 is about 1493.5157727731.

The spelling of 3331420397 in words is "three billion, three hundred thirty-one million, four hundred twenty thousand, three hundred ninety-seven".