503435325343431 has 16 divisors (see below), whose sum is σ = 723194293230080. Its totient is φ = 309672296730720.

The previous prime is 503435325343427. The next prime is 503435325343439. The reversal of 503435325343431 is 134343523534305.

It is not a de Polignac number, because 503435325343431 - 2² = 503435325343427 is a prime.

It is a super-2 number, since 2×503435325343431² (a number of 30 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 (503435325343439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2792769691 + ... + 2792949948.

It is an arithmetic number, because the mean of its divisors is an integer number (45199643326880).

Almost surely, 2^{503435325343431} is an apocalyptic number.

503435325343431 is a deficient number, since it is larger than the sum of its proper divisors (219758967886649).

503435325343431 is a wasteful number, since it uses less digits than its factorization.

503435325343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585721966.

The product of its (nonzero) digits is 11664000, while the sum is 48.

Adding to 503435325343431 its reverse (134343523534305), we get a palindrome (637778848877736).

The spelling of 503435325343431 in words is "five hundred three trillion, four hundred thirty-five billion, three hundred twenty-five million, three hundred forty-three thousand, four hundred thirty-one".