104321312 has 12 divisors (see below), whose sum is σ = 205382646. Its totient is φ = 52160640.

The previous prime is 104321309. The next prime is 104321351. The reversal of 104321312 is 213123401.

It can be written as a sum of positive squares in only one way, i.e., 56490256 + 47831056 = 7516^2 + 6916^2 .

It is a super-2 number, since 2×104321312² = 21765872274802688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629989 + ... + 1630052.

Almost surely, 2^104321312 is an apocalyptic number.

It is an amenable number.

104321312 is a deficient number, since it is larger than the sum of its proper divisors (101061334).

104321312 is an equidigital number, since it uses as much as digits as its factorization.

104321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260051 (or 3260043 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 104321312 is about 10213.7804949979. The cubic root of 104321312 is about 470.7507422382.

Adding to 104321312 its reverse (213123401), we get a palindrome (317444713).

The spelling of 104321312 in words is "one hundred four million, three hundred twenty-one thousand, three hundred twelve".