100312443302443 has 4 divisors (see below), whose sum is σ = 100312464734728. Its totient is φ = 100312421870160.

The previous prime is 100312443302431. The next prime is 100312443302497. The reversal of 100312443302443 is 344203344213001.

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-100312443302443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100312443302399 and 100312443302408.

It is not an unprimeable number, because it can be changed into a prime (100312443302413) 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, 358338 + ... + 14168743.

It is an arithmetic number, because the mean of its divisors is an integer number (25078116183682).

Almost surely, 2^{100312443302443} is an apocalyptic number.

100312443302443 is a deficient number, since it is larger than the sum of its proper divisors (21432285).

100312443302443 is an equidigital number, since it uses as much as digits as its factorization.

100312443302443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21432284.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 100312443302443 its reverse (344203344213001), we get a palindrome (444515787515444).

The spelling of 100312443302443 in words is "one hundred trillion, three hundred twelve billion, four hundred forty-three million, three hundred two thousand, four hundred forty-three".