103400312 has 16 divisors (see below), whose sum is σ = 200561400. Its totient is φ = 49917280.

The previous prime is 103400309. The next prime is 103400317. The reversal of 103400312 is 213004301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103400317) 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 3 ways as a sum of consecutive naturals, for example, 222614 + ... + 223077.

Almost surely, 2^103400312 is an apocalyptic number.

It is an amenable number.

103400312 is a deficient number, since it is larger than the sum of its proper divisors (97161088).

103400312 is a wasteful number, since it uses less digits than its factorization.

103400312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445726 (or 445722 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103400312 is about 10168.5943964739. The cubic root of 103400312 is about 469.3613053842.

Adding to 103400312 its reverse (213004301), we get a palindrome (316404613).

The spelling of 103400312 in words is "one hundred three million, four hundred thousand, three hundred twelve".