104214531 has 4 divisors (see below), whose sum is σ = 138952712. Its totient is φ = 69476352.

The previous prime is 104214521. The next prime is 104214577. The reversal of 104214531 is 135412401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135412401 = 3 ⋅45137467.

It is not a de Polignac number, because 104214531 - 2¹⁰ = 104213507 is a prime.

It is a super-2 number, since 2×104214531² = 21721336943099922, 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 = 104214498 and 104214507.

It is not an unprimeable number, because it can be changed into a prime (104214521) 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, 17369086 + ... + 17369091.

It is an arithmetic number, because the mean of its divisors is an integer number (34738178).

Almost surely, 2^104214531 is an apocalyptic number.

104214531 is a deficient number, since it is larger than the sum of its proper divisors (34738181).

104214531 is an equidigital number, since it uses as much as digits as its factorization.

104214531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34738180.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 104214531 is about 10208.5518561645. The cubic root of 104214531 is about 470.5900707045.

Adding to 104214531 its reverse (135412401), we get a palindrome (239626932).

The spelling of 104214531 in words is "one hundred four million, two hundred fourteen thousand, five hundred thirty-one".