104521230531 has 24 divisors (see below), whose sum is σ = 151859195280. Its totient is φ = 69272991936.

The previous prime is 104521230493. The next prime is 104521230557. The reversal of 104521230531 is 135032125401.

104521230531 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 2 + 123 + 0 + 531 = 666.

It is not a de Polignac number, because 104521230531 - 2¹⁹ = 104520706243 is a prime.

It is a super-2 number, since 2×104521230531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104521230495 and 104521230504.

It is not an unprimeable number, because it can be changed into a prime (104521130531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8753041 + ... + 8764973.

It is an arithmetic number, because the mean of its divisors is an integer number (6327466470).

Almost surely, 2^104521230531 is an apocalyptic number.

104521230531 is a deficient number, since it is larger than the sum of its proper divisors (47337964749).

104521230531 is a wasteful number, since it uses less digits than its factorization.

104521230531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555 (or 17552 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 104521230531 its reverse (135032125401), we get a palindrome (239553355932).

The spelling of 104521230531 in words is "one hundred four billion, five hundred twenty-one million, two hundred thirty thousand, five hundred thirty-one".