321434242434133 has 2 divisors, whose sum is σ = 321434242434134. Its totient is φ = 321434242434132.

The previous prime is 321434242434101. The next prime is 321434242434139. The reversal of 321434242434133 is 331434242434123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318448057982769 + 2986184451364 = 17845113^2 + 1728058^2 .

It is a cyclic number.

It is not a de Polignac number, because 321434242434133 - 2⁵ = 321434242434101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321434242434133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321434242434139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160717121217066 + 160717121217067.

It is an arithmetic number, because the mean of its divisors is an integer number (160717121217067).

Almost surely, 2^{321434242434133} is an apocalyptic number.

It is an amenable number.

321434242434133 is a deficient number, since it is larger than the sum of its proper divisors (1).

321434242434133 is an equidigital number, since it uses as much as digits as its factorization.

321434242434133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 43.

Adding to 321434242434133 its reverse (331434242434123), we get a palindrome (652868484868256).

The spelling of 321434242434133 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, two hundred forty-two million, four hundred thirty-four thousand, one hundred thirty-three".