5305431433503 has 4 divisors (see below), whose sum is σ = 7073908578008. Its totient is φ = 3536954289000.

The previous prime is 5305431433499. The next prime is 5305431433553. The reversal of 5305431433503 is 3053341345035.

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

It is not a de Polignac number, because 5305431433503 - 2² = 5305431433499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5305431433553) 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, 884238572248 + ... + 884238572253.

It is an arithmetic number, because the mean of its divisors is an integer number (1768477144502).

Almost surely, 2^{5305431433503} is an apocalyptic number.

5305431433503 is a deficient number, since it is larger than the sum of its proper divisors (1768477144505).

5305431433503 is a wasteful number, since it uses less digits than its factorization.

5305431433503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768477144504.

The product of its (nonzero) digits is 486000, while the sum is 39.

Adding to 5305431433503 its reverse (3053341345035), we get a palindrome (8358772778538).

The spelling of 5305431433503 in words is "five trillion, three hundred five billion, four hundred thirty-one million, four hundred thirty-three thousand, five hundred three".