34531222013 has 2 divisors, whose sum is σ = 34531222014. Its totient is φ = 34531222012.

The previous prime is 34531221983. The next prime is 34531222087. The reversal of 34531222013 is 31022213543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30897905284 + 3633316729 = 175778^2 + 60277^2 .

It is a cyclic number.

It is not a de Polignac number, because 34531222013 - 2⁸ = 34531221757 is a prime.

It is a super-2 number, since 2×34531222013² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34531222093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17265611006 + 17265611007.

It is an arithmetic number, because the mean of its divisors is an integer number (17265611007).

Almost surely, 2^34531222013 is an apocalyptic number.

It is an amenable number.

34531222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

34531222013 is an equidigital number, since it uses as much as digits as its factorization.

34531222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 34531222013 its reverse (31022213543), we get a palindrome (65553435556).

The spelling of 34531222013 in words is "thirty-four billion, five hundred thirty-one million, two hundred twenty-two thousand, thirteen".