531050320100 has 36 divisors (see below), whose sum is σ = 1160669722800. Its totient is φ = 210891920160.

The previous prime is 531050320079. The next prime is 531050320111. The reversal of 531050320100 is 1023050135.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19088630 + ... + 19116429.

Almost surely, 2^531050320100 is an apocalyptic number.

531050320100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531050320100 is an abundant number, since it is smaller than the sum of its proper divisors (629619402700).

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

531050320100 is a wasteful number, since it uses less digits than its factorization.

531050320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38205212 (or 38205205 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 531050320100 its reverse (1023050135), we get a palindrome (532073370235).

The spelling of 531050320100 in words is "five hundred thirty-one billion, fifty million, three hundred twenty thousand, one hundred".