231441545503 has 12 divisors (see below), whose sum is σ = 285064857792. Its totient is φ = 186709145280.

The previous prime is 231441545501. The next prime is 231441545557. The reversal of 231441545503 is 305545144132.

It is not a de Polignac number, because 231441545503 - 2¹ = 231441545501 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 (231441545501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138919663 + ... + 138921328.

It is an arithmetic number, because the mean of its divisors is an integer number (23755404816).

Almost surely, 2^231441545503 is an apocalyptic number.

231441545503 is a deficient number, since it is larger than the sum of its proper divisors (53623312289).

231441545503 is a wasteful number, since it uses less digits than its factorization.

231441545503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277841022 (or 277841015 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 231441545503 its reverse (305545144132), we get a palindrome (536986689635).

The spelling of 231441545503 in words is "two hundred thirty-one billion, four hundred forty-one million, five hundred forty-five thousand, five hundred three".