34333131421 has 2 divisors, whose sum is σ = 34333131422. Its totient is φ = 34333131420.

The previous prime is 34333131361. The next prime is 34333131457. The reversal of 34333131421 is 12413133343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24214783321 + 10118348100 = 155611^2 + 100590^2 .

It is a cyclic number.

It is not a de Polignac number, because 34333131421 - 2²⁵ = 34299576989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34333131421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34333131121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17166565710 + 17166565711.

It is an arithmetic number, because the mean of its divisors is an integer number (17166565711).

Almost surely, 2^34333131421 is an apocalyptic number.

It is an amenable number.

34333131421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34333131421 is an equidigital number, since it uses as much as digits as its factorization.

34333131421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

Adding to 34333131421 its reverse (12413133343), we get a palindrome (46746264764).

The spelling of 34333131421 in words is "thirty-four billion, three hundred thirty-three million, one hundred thirty-one thousand, four hundred twenty-one".