104681177831 has 4 divisors (see below), whose sum is σ = 110838894192. Its totient is φ = 98523461472.

The previous prime is 104681177807. The next prime is 104681177837. The reversal of 104681177831 is 138771186401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138771186401 = 139 ⋅998353859.

It is a cyclic number.

It is not a de Polignac number, because 104681177831 - 2⁶ = 104681177767 is a prime.

It is a super-2 number, since 2×104681177831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104681177837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3078858155 + ... + 3078858188.

It is an arithmetic number, because the mean of its divisors is an integer number (27709723548).

Almost surely, 2^104681177831 is an apocalyptic number.

104681177831 is a deficient number, since it is larger than the sum of its proper divisors (6157716361).

104681177831 is an equidigital number, since it uses as much as digits as its factorization.

104681177831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157716360.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 104681177831 in words is "one hundred four billion, six hundred eighty-one million, one hundred seventy-seven thousand, eight hundred thirty-one".