505250311343 has 8 divisors (see below), whose sum is σ = 527235388416. Its totient is φ = 483266707000.

The previous prime is 505250311327. The next prime is 505250311441. The reversal of 505250311343 is 343113052505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505250311343 - 2⁴ = 505250311327 is a prime.

It is a super-2 number, since 2×505250311343² (a number of 24 digits) contains 22 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 (505250311543) 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 7 ways as a sum of consecutive naturals, for example, 363878 + ... + 1069068.

It is an arithmetic number, because the mean of its divisors is an integer number (65904423552).

Almost surely, 2^505250311343 is an apocalyptic number.

505250311343 is a deficient number, since it is larger than the sum of its proper divisors (21985077073).

505250311343 is a wasteful number, since it uses less digits than its factorization.

505250311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736365.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 505250311343 its reverse (343113052505), we get a palindrome (848363363848).

The spelling of 505250311343 in words is "five hundred five billion, two hundred fifty million, three hundred eleven thousand, three hundred forty-three".