104155305531 has 16 divisors (see below), whose sum is σ = 141215247360. Its totient is φ = 68273412480.

The previous prime is 104155305493. The next prime is 104155305559. The reversal of 104155305531 is 135503551401.

It is not a de Polignac number, because 104155305531 - 2¹³ = 104155297339 is a prime.

It is a super-2 number, since 2×104155305531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104155305492 and 104155305501.

It is not an unprimeable number, because it can be changed into a prime (104155305031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854655 + ... + 968888.

It is an arithmetic number, because the mean of its divisors is an integer number (8825952960).

Almost surely, 2^104155305531 is an apocalyptic number.

104155305531 is a deficient number, since it is larger than the sum of its proper divisors (37059941829).

104155305531 is a wasteful number, since it uses less digits than its factorization.

104155305531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823866.

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 104155305531 its reverse (135503551401), we get a palindrome (239658856932).

The spelling of 104155305531 in words is "one hundred four billion, one hundred fifty-five million, three hundred five thousand, five hundred thirty-one".