104061931 has 4 divisors (see below), whose sum is σ = 105527664. Its totient is φ = 102596200.

The previous prime is 104061869. The next prime is 104061961. The reversal of 104061931 is 139160401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139160401 = 263 ⋅529127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104061931 is a prime.

It is a super-2 number, since 2×104061931² = 21657770966897522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104061896 and 104061905.

It is not an unprimeable number, because it can be changed into a prime (104061961) 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, 732760 + ... + 732901.

It is an arithmetic number, because the mean of its divisors is an integer number (26381916).

Almost surely, 2^104061931 is an apocalyptic number.

104061931 is a deficient number, since it is larger than the sum of its proper divisors (1465733).

104061931 is an equidigital number, since it uses as much as digits as its factorization.

104061931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465732.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 104061931 is about 10201.0749923721. The cubic root of 104061931 is about 470.3602655011.

The spelling of 104061931 in words is "one hundred four million, sixty-one thousand, nine hundred thirty-one".