103531231132 has 48 divisors (see below), whose sum is σ = 211431225600. Its totient is φ = 44340499056.

The previous prime is 103531231121. The next prime is 103531231147. The reversal of 103531231132 is 231132135301.

It is a junction number, because it is equal to n+sod(n) for n = 103531231097 and 103531231106.

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 15 ways as a sum of consecutive naturals, for example, 2064783 + ... + 2114329.

It is an arithmetic number, because the mean of its divisors is an integer number (4404817200).

Almost surely, 2^103531231132 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 103531231132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105715612800).

103531231132 is an abundant number, since it is smaller than the sum of its proper divisors (107899994468).

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

103531231132 is a wasteful number, since it uses less digits than its factorization.

103531231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51095 (or 51079 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 103531231132 its reverse (231132135301), we get a palindrome (334663366433).

The spelling of 103531231132 in words is "one hundred three billion, five hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-two".