343134545503 has 24 divisors (see below), whose sum is σ = 358733334960. Its totient is φ = 328181817600.

The previous prime is 343134545449. The next prime is 343134545519. The reversal of 343134545503 is 305545431343.

It is not a de Polignac number, because 343134545503 - 2³⁷ = 205695592031 is a prime.

It is a super-3 number, since 3×343134545503³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343134545573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58642528 + ... + 58648378.

It is an arithmetic number, because the mean of its divisors is an integer number (14947222290).

Almost surely, 2^343134545503 is an apocalyptic number.

343134545503 is a deficient number, since it is larger than the sum of its proper divisors (15598789457).

343134545503 is a wasteful number, since it uses less digits than its factorization.

343134545503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6526 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 343134545503 its reverse (305545431343), we get a palindrome (648679976846).

The spelling of 343134545503 in words is "three hundred forty-three billion, one hundred thirty-four million, five hundred forty-five thousand, five hundred three".