104431512 has 32 divisors (see below), whose sum is σ = 265362480. Its totient is φ = 34239360.

The previous prime is 104431507. The next prime is 104431531. The reversal of 104431512 is 215134401.

It is a super-2 number, since 2×104431512² = 21811881397212288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34203 + ... + 37130.

Almost surely, 2^104431512 is an apocalyptic number.

104431512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104431512 is an abundant number, since it is smaller than the sum of its proper divisors (160930968).

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

104431512 is a wasteful number, since it uses less digits than its factorization.

104431512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71403 (or 71399 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 104431512 is about 10219.1737435078. The cubic root of 104431512 is about 470.9164433617.

Adding to 104431512 its reverse (215134401), we get a palindrome (319565913).

The spelling of 104431512 in words is "one hundred four million, four hundred thirty-one thousand, five hundred twelve".