104040031 has 4 divisors (see below), whose sum is σ = 104136832. Its totient is φ = 103943232.

The previous prime is 104040011. The next prime is 104040037. The reversal of 104040031 is 130040401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104040031 - 2¹³ = 104031839 is a prime.

It is a super-2 number, since 2×104040031² = 21648656100961922, 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 = 104039993 and 104040020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104040037) 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, 46770 + ... + 48943.

It is an arithmetic number, because the mean of its divisors is an integer number (26034208).

Almost surely, 2^104040031 is an apocalyptic number.

104040031 is a deficient number, since it is larger than the sum of its proper divisors (96801).

104040031 is an equidigital number, since it uses as much as digits as its factorization.

104040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96800.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 104040031 is about 10200.0015196077. The cubic root of 104040031 is about 470.3272671625.

Adding to 104040031 its reverse (130040401), we get a palindrome (234080432).

The spelling of 104040031 in words is "one hundred four million, forty thousand, thirty-one".