103240312 has 32 divisors (see below), whose sum is σ = 222732000. Its totient is φ = 43945344.

The previous prime is 103240309. The next prime is 103240327. The reversal of 103240312 is 213042301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 2158 + ... + 14530.

It is an arithmetic number, because the mean of its divisors is an integer number (6960375).

Almost surely, 2^103240312 is an apocalyptic number.

It is an amenable number.

103240312 is an abundant number, since it is smaller than the sum of its proper divisors (119491688).

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

103240312 is a wasteful number, since it uses less digits than its factorization.

103240312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535 (or 12531 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103240312 is about 10160.7239899527. The cubic root of 103240312 is about 469.1190863303.

Adding to 103240312 its reverse (213042301), we get a palindrome (316282613).

The spelling of 103240312 in words is "one hundred three million, two hundred forty thousand, three hundred twelve".