104340031 has 4 divisors (see below), whose sum is σ = 104370552. Its totient is φ = 104309512.

The previous prime is 104340023. The next prime is 104340107. The reversal of 104340031 is 130043401.

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 104340031 - 2³ = 104340023 is a prime.

It is a super-2 number, since 2×104340031² = 21773684138161922, 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 = 104339987 and 104340014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104340631) 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, 9376 + ... + 17221.

It is an arithmetic number, because the mean of its divisors is an integer number (26092638).

Almost surely, 2^104340031 is an apocalyptic number.

104340031 is a deficient number, since it is larger than the sum of its proper divisors (30521).

104340031 is an equidigital number, since it uses as much as digits as its factorization.

104340031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30520.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 104340031 is about 10214.6968139050. The cubic root of 104340031 is about 470.7788970993.

Adding to 104340031 its reverse (130043401), we get a palindrome (234383432).

The spelling of 104340031 in words is "one hundred four million, three hundred forty thousand, thirty-one".