104300031143221 has 4 divisors (see below), whose sum is σ = 104307046697952. Its totient is φ = 104293015588492.

The previous prime is 104300031143159. The next prime is 104300031143257. The reversal of 104300031143221 is 122341130003401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104300031143221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104300031743221) 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, 3507755065 + ... + 3507784798.

It is an arithmetic number, because the mean of its divisors is an integer number (26076761674488).

Almost surely, 2^{104300031143221} is an apocalyptic number.

It is an amenable number.

104300031143221 is a deficient number, since it is larger than the sum of its proper divisors (7015554731).

104300031143221 is an equidigital number, since it uses as much as digits as its factorization.

104300031143221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015554730.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 104300031143221 its reverse (122341130003401), we get a palindrome (226641161146622).

The spelling of 104300031143221 in words is "one hundred four trillion, three hundred billion, thirty-one million, one hundred forty-three thousand, two hundred twenty-one".