344020133 has 2 divisors, whose sum is σ = 344020134. Its totient is φ = 344020132.

The previous prime is 344020123. The next prime is 344020141. The reversal of 344020133 is 331020443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343805764 + 214369 = 18542^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 344020133 - 2¹⁴ = 344003749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344020123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172010066 + 172010067.

It is an arithmetic number, because the mean of its divisors is an integer number (172010067).

Almost surely, 2^344020133 is an apocalyptic number.

It is an amenable number.

344020133 is a deficient number, since it is larger than the sum of its proper divisors (1).

344020133 is an equidigital number, since it uses as much as digits as its factorization.

344020133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 344020133 is about 18547.7797323561. The cubic root of 344020133 is about 700.6932811737.

Adding to 344020133 its reverse (331020443), we get a palindrome (675040576).

The spelling of 344020133 in words is "three hundred forty-four million, twenty thousand, one hundred thirty-three".