103231520 has 96 divisors (see below), whose sum is σ = 283481856. Its totient is φ = 34790400.

The previous prime is 103231507. The next prime is 103231543. The reversal of 103231520 is 25132301.

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, 67565 + ... + 69075.

It is an arithmetic number, because the mean of its divisors is an integer number (2952936).

Almost surely, 2^103231520 is an apocalyptic number.

103231520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103231520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141740928).

103231520 is an abundant number, since it is smaller than the sum of its proper divisors (180250336).

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

103231520 is a wasteful number, since it uses less digits than its factorization.

103231520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103231520 is about 10160.2913344057. The cubic root of 103231520 is about 469.1057691417.

Adding to 103231520 its reverse (25132301), we get a palindrome (128363821).

The spelling of 103231520 in words is "one hundred three million, two hundred thirty-one thousand, five hundred twenty".