103221330 has 32 divisors (see below), whose sum is σ = 248811264. Its totient is φ = 27405696.

The previous prime is 103221329. The next prime is 103221337. The reversal of 103221330 is 33122301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (103221337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (7775352).

Almost surely, 2^103221330 is an apocalyptic number.

103221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103221330 is an abundant number, since it is smaller than the sum of its proper divisors (145589934).

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

103221330 is a wasteful number, since it uses less digits than its factorization.

103221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 103221330 is about 10159.7898600316. The cubic root of 103221330 is about 469.0903334651.

Adding to 103221330 its reverse (33122301), we get a palindrome (136343631).

The spelling of 103221330 in words is "one hundred three million, two hundred twenty-one thousand, three hundred thirty".