104121302231 has 4 divisors (see below), whose sum is σ = 104916121464. Its totient is φ = 103326483000.

The previous prime is 104121302209. The next prime is 104121302249. The reversal of 104121302231 is 132203121401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104121302231 is a prime.

It is a super-2 number, since 2×104121302231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121302251) 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, 397409420 + ... + 397409681.

It is an arithmetic number, because the mean of its divisors is an integer number (26229030366).

Almost surely, 2^104121302231 is an apocalyptic number.

104121302231 is a deficient number, since it is larger than the sum of its proper divisors (794819233).

104121302231 is an equidigital number, since it uses as much as digits as its factorization.

104121302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794819232.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 104121302231 its reverse (132203121401), we get a palindrome (236324423632).

The spelling of 104121302231 in words is "one hundred four billion, one hundred twenty-one million, three hundred two thousand, two hundred thirty-one".