503435342111331 has 8 divisors (see below), whose sum is σ = 767139568931584. Its totient is φ = 287677338349320.

The previous prime is 503435342111203. The next prime is 503435342111347. The reversal of 503435342111331 is 133111243534305.

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

It is not a de Polignac number, because 503435342111331 - 2⁷ = 503435342111203 is a prime.

It is a super-2 number, since 2×503435342111331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503435342111331.

It is not an unprimeable number, because it can be changed into a prime (503435342111381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11986555764535 + ... + 11986555764576.

It is an arithmetic number, because the mean of its divisors is an integer number (95892446116448).

Almost surely, 2^{503435342111331} is an apocalyptic number.

503435342111331 is a deficient number, since it is larger than the sum of its proper divisors (263704226820253).

503435342111331 is a wasteful number, since it uses less digits than its factorization.

503435342111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23973111529121.

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 503435342111331 its reverse (133111243534305), we get a palindrome (636546585645636).

The spelling of 503435342111331 in words is "five hundred three trillion, four hundred thirty-five billion, three hundred forty-two million, one hundred eleven thousand, three hundred thirty-one".