503304412431 has 4 divisors (see below), whose sum is σ = 671072549912. Its totient is φ = 335536274952.

The previous prime is 503304412361. The next prime is 503304412447. The reversal of 503304412431 is 134214403305.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 503304412431 - 2¹⁸ = 503304150287 is a prime.

It is a super-2 number, since 2×503304412431² (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 (503304412931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83884068736 + ... + 83884068741.

It is an arithmetic number, because the mean of its divisors is an integer number (167768137478).

Almost surely, 2^503304412431 is an apocalyptic number.

503304412431 is a deficient number, since it is larger than the sum of its proper divisors (167768137481).

503304412431 is a wasteful number, since it uses less digits than its factorization.

503304412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167768137480.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 503304412431 its reverse (134214403305), we get a palindrome (637518815736).

The spelling of 503304412431 in words is "five hundred three billion, three hundred four million, four hundred twelve thousand, four hundred thirty-one".