104040312 has 32 divisors (see below), whose sum is σ = 260569680. Its totient is φ = 34617600.

The previous prime is 104040311. The next prime is 104040341. The reversal of 104040312 is 213040401.

It is a junction number, because it is equal to n+sod(n) for n = 104040291 and 104040300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104040311) 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, 10818 + ... + 18030.

Almost surely, 2^104040312 is an apocalyptic number.

104040312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104040312 is an abundant number, since it is smaller than the sum of its proper divisors (156529368).

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

104040312 is a wasteful number, since it uses less digits than its factorization.

104040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823 (or 7819 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104040312 is about 10200.0152941062. The cubic root of 104040312 is about 470.3276905952.

Adding to 104040312 its reverse (213040401), we get a palindrome (317080713).

The spelling of 104040312 in words is "one hundred four million, forty thousand, three hundred twelve".