103021330 has 16 divisors (see below), whose sum is σ = 185681664. Its totient is φ = 41154480.

The previous prime is 103021319. The next prime is 103021333. The reversal of 103021330 is 33120301.

It is a super-2 number, since 2×103021330² = 21226788869937800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103021330.

It is not an unprimeable number, because it can be changed into a prime (103021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (11605104).

Almost surely, 2^103021330 is an apocalyptic number.

103021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103021330 is a deficient number, since it is larger than the sum of its proper divisors (82660334).

103021330 is a wasteful number, since it uses less digits than its factorization.

103021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103021330 is about 10149.9423643684. The cubic root of 103021330 is about 468.7871702673.

Adding to 103021330 its reverse (33120301), we get a palindrome (136141631).

The spelling of 103021330 in words is "one hundred three million, twenty-one thousand, three hundred thirty".