531245331050 has 72 divisors (see below), whose sum is σ = 1173897883584. Its totient is φ = 178265871840.

The previous prime is 531245331049. The next prime is 531245331091. The reversal of 531245331050 is 50133542135.

It is a junction number, because it is equal to n+sod(n) for n = 531245330998 and 531245331016.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2191604 + ... + 2421903.

It is an arithmetic number, because the mean of its divisors is an integer number (16304137272).

Almost surely, 2^531245331050 is an apocalyptic number.

531245331050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531245331050 is an abundant number, since it is smaller than the sum of its proper divisors (642652552534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531245331050 is a wasteful number, since it uses less digits than its factorization.

531245331050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613580 (or 4613568 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 531245331050 its reverse (50133542135), we get a palindrome (581378873185).

The spelling of 531245331050 in words is "five hundred thirty-one billion, two hundred forty-five million, three hundred thirty-one thousand, fifty".