531552103100 has 18 divisors (see below), whose sum is σ = 1153468063944. Its totient is φ = 212620841200.

The previous prime is 531552103099. The next prime is 531552103111. The reversal of 531552103100 is 1301255135.

It is a happy number.

It is a super-2 number, since 2×531552103100² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531552103100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2657760416 + ... + 2657760615.

It is an arithmetic number, because the mean of its divisors is an integer number (64081559108).

Almost surely, 2^531552103100 is an apocalyptic number.

531552103100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531552103100 is an abundant number, since it is smaller than the sum of its proper divisors (621915960844).

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

531552103100 is a wasteful number, since it uses less digits than its factorization.

531552103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315521045 (or 5315521038 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 531552103100 its reverse (1301255135), we get a palindrome (532853358235).

The spelling of 531552103100 in words is "five hundred thirty-one billion, five hundred fifty-two million, one hundred three thousand, one hundred".