104320021331 has 4 divisors (see below), whose sum is σ = 110456493192. Its totient is φ = 98183549472.

The previous prime is 104320021313. The next prime is 104320021343. The reversal of 104320021331 is 133120023401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133120023401 = 50119 ⋅2656079.

It is a cyclic number.

It is not a de Polignac number, because 104320021331 - 2¹⁰ = 104320020307 is a prime.

It is a super-2 number, since 2×104320021331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104320021391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068235905 + ... + 3068235938.

It is an arithmetic number, because the mean of its divisors is an integer number (27614123298).

Almost surely, 2^104320021331 is an apocalyptic number.

104320021331 is a deficient number, since it is larger than the sum of its proper divisors (6136471861).

104320021331 is an equidigital number, since it uses as much as digits as its factorization.

104320021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136471860.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 104320021331 its reverse (133120023401), we get a palindrome (237440044732).

The spelling of 104320021331 in words is "one hundred four billion, three hundred twenty million, twenty-one thousand, three hundred thirty-one".