343220004133 has 4 divisors (see below), whose sum is σ = 351591223788. Its totient is φ = 334848784480.

The previous prime is 343220004109. The next prime is 343220004139. The reversal of 343220004133 is 331400022343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331400022343 = 13 ⋅25492309411.

It can be written as a sum of positive squares in 2 ways, for example, as 28164559329 + 315055444804 = 167823^2 + 561298^2 .

It is a cyclic number.

It is not a de Polignac number, because 343220004133 - 2¹³ = 343219995941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343220004098 and 343220004107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343220004139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185609766 + ... + 4185609847.

It is an arithmetic number, because the mean of its divisors is an integer number (87897805947).

Almost surely, 2^343220004133 is an apocalyptic number.

It is an amenable number.

343220004133 is a deficient number, since it is larger than the sum of its proper divisors (8371219655).

343220004133 is an equidigital number, since it uses as much as digits as its factorization.

343220004133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371219654.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 343220004133 its reverse (331400022343), we get a palindrome (674620026476).

The spelling of 343220004133 in words is "three hundred forty-three billion, two hundred twenty million, four thousand, one hundred thirty-three".