34531221311 has 2 divisors, whose sum is σ = 34531221312. Its totient is φ = 34531221310.

The previous prime is 34531221299. The next prime is 34531221343. The reversal of 34531221311 is 11312213543.

34531221311 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 is a cyclic number.

It is not a de Polignac number, because 34531221311 - 2¹⁰ = 34531220287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34531221611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17265610655 + 17265610656.

It is an arithmetic number, because the mean of its divisors is an integer number (17265610656).

Almost surely, 2^34531221311 is an apocalyptic number.

34531221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

34531221311 is an equidigital number, since it uses as much as digits as its factorization.

34531221311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

Adding to 34531221311 its reverse (11312213543), we get a palindrome (45843434854).

The spelling of 34531221311 in words is "thirty-four billion, five hundred thirty-one million, two hundred twenty-one thousand, three hundred eleven".