103201320 has 32 divisors (see below), whose sum is σ = 309604320. Its totient is φ = 27520320.

The previous prime is 103201297. The next prime is 103201337. The reversal of 103201320 is 23102301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103201296 and 103201305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429886 + ... + 430125.

It is an arithmetic number, because the mean of its divisors is an integer number (9675135).

Almost surely, 2^103201320 is an apocalyptic number.

103201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103201320 is an abundant number, since it is smaller than the sum of its proper divisors (206403000).

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

103201320 is a wasteful number, since it uses less digits than its factorization.

103201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860025 (or 860021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103201320 is about 10158.8050478390. The cubic root of 103201320 is about 469.0600196266.

Adding to 103201320 its reverse (23102301), we get a palindrome (126303621).

The spelling of 103201320 in words is "one hundred three million, two hundred one thousand, three hundred twenty".