103111232 has 112 divisors (see below), whose sum is σ = 245790720. Its totient is φ = 42004992.

The previous prime is 103111213. The next prime is 103111247. The reversal of 103111232 is 232111301.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242263 + ... + 1242345.

It is an arithmetic number, because the mean of its divisors is an integer number (2194560).

Almost surely, 2^103111232 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 103111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122895360).

103111232 is an abundant number, since it is smaller than the sum of its proper divisors (142679488).

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

103111232 is an equidigital number, since it uses as much as digits as its factorization.

103111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103111232 is about 10154.3700937084. The cubic root of 103111232 is about 468.9234936572.

Adding to 103111232 its reverse (232111301), we get a palindrome (335222533).

The spelling of 103111232 in words is "one hundred three million, one hundred eleven thousand, two hundred thirty-two".