104031513 has 16 divisors (see below), whose sum is σ = 154299840. Its totient is φ = 69273792.

The previous prime is 104031511. The next prime is 104031533. The reversal of 104031513 is 315130401.

It is not a de Polignac number, because 104031513 - 2¹ = 104031511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104031511) 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 15 ways as a sum of consecutive naturals, for example, 29745 + ... + 33057.

It is an arithmetic number, because the mean of its divisors is an integer number (9643740).

Almost surely, 2^104031513 is an apocalyptic number.

It is an amenable number.

104031513 is a deficient number, since it is larger than the sum of its proper divisors (50268327).

104031513 is a wasteful number, since it uses less digits than its factorization.

104031513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4479 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 104031513 is about 10199.5839621036. The cubic root of 104031513 is about 470.3144312154.

Adding to 104031513 its reverse (315130401), we get a palindrome (419161914).

The spelling of 104031513 in words is "one hundred four million, thirty-one thousand, five hundred thirteen".