531050320120 has 32 divisors (see below), whose sum is σ = 1195143235920. Its totient is φ = 212370347520.

The previous prime is 531050320117. The next prime is 531050320139. The reversal of 531050320120 is 21023050135.

It is a junction number, because it is equal to n+sod(n) for n = 531050320091 and 531050320100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382586 + ... + 1724425.

Almost surely, 2^531050320120 is an apocalyptic number.

It is an amenable number.

531050320120 is an abundant number, since it is smaller than the sum of its proper divisors (664092915800).

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

531050320120 is a wasteful number, since it uses less digits than its factorization.

531050320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111295 (or 3111291 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 531050320120 its reverse (21023050135), we get a palindrome (552073370255).

The spelling of 531050320120 in words is "five hundred thirty-one billion, fifty million, three hundred twenty thousand, one hundred twenty".