5231103503 has 4 divisors (see below), whose sum is σ = 5506424760. Its totient is φ = 4955782248.

The previous prime is 5231103499. The next prime is 5231103533. The reversal of 5231103503 is 3053011325.

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

It is a cyclic number.

It is not a de Polignac number, because 5231103503 - 2² = 5231103499 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 (5231103533) 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, 137660600 + ... + 137660637.

It is an arithmetic number, because the mean of its divisors is an integer number (1376606190).

Almost surely, 2^5231103503 is an apocalyptic number.

5231103503 is a deficient number, since it is larger than the sum of its proper divisors (275321257).

5231103503 is a wasteful number, since it uses less digits than its factorization.

5231103503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275321256.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 5231103503 is about 72326.3679649407. The cubic root of 5231103503 is about 1735.9255861863.

Adding to 5231103503 its reverse (3053011325), we get a palindrome (8284114828).

The spelling of 5231103503 in words is "five billion, two hundred thirty-one million, one hundred three thousand, five hundred three".