104431211312 has 20 divisors (see below), whose sum is σ = 208862423616. Its totient is φ = 50531231040.

The previous prime is 104431211299. The next prime is 104431211351. The reversal of 104431211312 is 213112134401.

104431211312 is an admirable number.

It is a super-2 number, since 2×104431211312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105272903 + ... + 105273894.

Almost surely, 2^104431211312 is an apocalyptic number.

It is an amenable number.

104431211312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

104431211312 is a wasteful number, since it uses less digits than its factorization.

104431211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210546836 (or 210546830 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 104431211312 its reverse (213112134401), we get a palindrome (317543345713).

The spelling of 104431211312 in words is "one hundred four billion, four hundred thirty-one million, two hundred eleven thousand, three hundred twelve".