104490031 has 4 divisors (see below), whose sum is σ = 104565600. Its totient is φ = 104414464.

The previous prime is 104490019. The next prime is 104490047. The reversal of 104490031 is 130094401.

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 104490031 - 2⁹ = 104489519 is a prime.

It is a super-2 number, since 2×104490031² = 21836333156761922, 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 = 104489984 and 104490011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104490431) 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, 35671 + ... + 38488.

It is an arithmetic number, because the mean of its divisors is an integer number (26141400).

Almost surely, 2^104490031 is an apocalyptic number.

104490031 is a deficient number, since it is larger than the sum of its proper divisors (75569).

104490031 is an equidigital number, since it uses as much as digits as its factorization.

104490031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75568.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 104490031 is about 10222.0365387725. The cubic root of 104490031 is about 471.0043874859.

The spelling of 104490031 in words is "one hundred four million, four hundred ninety thousand, thirty-one".