103312072 has 16 divisors (see below), whose sum is σ = 193818240. Its totient is φ = 51627216.

The previous prime is 103312049. The next prime is 103312073. The reversal of 103312072 is 270213301.

It is not an unprimeable number, because it can be changed into a prime (103312073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24813 + ... + 28675.

It is an arithmetic number, because the mean of its divisors is an integer number (12113640).

Almost surely, 2^103312072 is an apocalyptic number.

It is an amenable number.

103312072 is a deficient number, since it is larger than the sum of its proper divisors (90506168).

103312072 is a wasteful number, since it uses less digits than its factorization.

103312072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 103312072 is about 10164.2546209744. The cubic root of 103312072 is about 469.2277525037.

Adding to 103312072 its reverse (270213301), we get a palindrome (373525373).

It can be divided in two parts, 10331 and 2072, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 103312072 in words is "one hundred three million, three hundred twelve thousand, seventy-two".