531541423203 has 48 divisors (see below), whose sum is σ = 874379678976. Its totient is φ = 285769028160.

The previous prime is 531541423187. The next prime is 531541423219. The reversal of 531541423203 is 302324145135.

It is an interprime number because it is at equal distance from previous prime (531541423187) and next prime (531541423219).

It is not a de Polignac number, because 531541423203 - 2⁴ = 531541423187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531541423253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1082401 + ... + 1494882.

It is an arithmetic number, because the mean of its divisors is an integer number (18216243312).

Almost surely, 2^531541423203 is an apocalyptic number.

531541423203 is a deficient number, since it is larger than the sum of its proper divisors (342838255773).

531541423203 is a wasteful number, since it uses less digits than its factorization.

531541423203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577384 (or 2577377 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 531541423203 its reverse (302324145135), we get a palindrome (833865568338).

The spelling of 531541423203 in words is "five hundred thirty-one billion, five hundred forty-one million, four hundred twenty-three thousand, two hundred three".