103231632 has 60 divisors (see below), whose sum is σ = 310228656. Its totient is φ = 29494080.

The previous prime is 103231621. The next prime is 103231637. The reversal of 103231632 is 236132301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 103231599 and 103231608.

It is not an unprimeable number, because it can be changed into a prime (103231637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19594 + ... + 24297.

Almost surely, 2^103231632 is an apocalyptic number.

103231632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103231632 is an abundant number, since it is smaller than the sum of its proper divisors (206997024).

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

103231632 is a wasteful number, since it uses less digits than its factorization.

103231632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43916 (or 43903 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 103231632 is about 10160.2968460572. The cubic root of 103231632 is about 469.1059387922.

Adding to 103231632 its reverse (236132301), we get a palindrome (339363933).

The spelling of 103231632 in words is "one hundred three million, two hundred thirty-one thousand, six hundred thirty-two".