34442131021 has 2 divisors, whose sum is σ = 34442131022. Its totient is φ = 34442131020.

The previous prime is 34442130979. The next prime is 34442131049. The reversal of 34442131021 is 12013124443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34434369225 + 7761796 = 185565^2 + 2786^2 .

It is a cyclic number.

It is not a de Polignac number, because 34442131021 - 2¹³ = 34442122829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34442131091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17221065510 + 17221065511.

It is an arithmetic number, because the mean of its divisors is an integer number (17221065511).

Almost surely, 2^34442131021 is an apocalyptic number.

It is an amenable number.

34442131021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34442131021 is an equidigital number, since it uses as much as digits as its factorization.

34442131021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 34442131021 its reverse (12013124443), we get a palindrome (46455255464).

The spelling of 34442131021 in words is "thirty-four billion, four hundred forty-two million, one hundred thirty-one thousand, twenty-one".