103215320 has 32 divisors (see below), whose sum is σ = 250099920. Its totient is φ = 38110080.

The previous prime is 103215319. The next prime is 103215323. The reversal of 103215320 is 23512301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103215323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98726 + ... + 99765.

Almost surely, 2^103215320 is an apocalyptic number.

103215320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103215320 is an abundant number, since it is smaller than the sum of its proper divisors (146884600).

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

103215320 is a wasteful number, since it uses less digits than its factorization.

103215320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198515 (or 198511 counting only the distinct ones).

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

The square root of 103215320 is about 10159.4940818921. The cubic root of 103215320 is about 469.0812291207.

Adding to 103215320 its reverse (23512301), we get a palindrome (126727621).

The spelling of 103215320 in words is "one hundred three million, two hundred fifteen thousand, three hundred twenty".