103531503232 has 64 divisors (see below), whose sum is σ = 211939835040. Its totient is φ = 50340234240.

The previous prime is 103531503223. The next prime is 103531503233. The reversal of 103531503232 is 232305135301.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×103531503232² (a number of 23 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 103531503232.

It is not an unprimeable number, because it can be changed into a prime (103531503233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11413963 + ... + 11423029.

Almost surely, 2^103531503232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103531503232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105969917520).

103531503232 is an abundant number, since it is smaller than the sum of its proper divisors (108408331808).

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

103531503232 is an equidigital number, since it uses as much as digits as its factorization.

103531503232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11529 (or 11517 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 103531503232 its reverse (232305135301), we get a palindrome (335836638533).

The spelling of 103531503232 in words is "one hundred three billion, five hundred thirty-one million, five hundred three thousand, two hundred thirty-two".