100003121347 has 2 divisors, whose sum is σ = 100003121348. Its totient is φ = 100003121346.

The previous prime is 100003121243. The next prime is 100003121417. The reversal of 100003121347 is 743121300001.

It is a strong prime.

It is an emirp because it is prime and its reverse (743121300001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100003121347 - 2⁷ = 100003121219 is a prime.

It is not a weakly prime, because it can be changed into another prime (100003121747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001560673 + 50001560674.

It is an arithmetic number, because the mean of its divisors is an integer number (50001560674).

Almost surely, 2^100003121347 is an apocalyptic number.

100003121347 is a deficient number, since it is larger than the sum of its proper divisors (1).

100003121347 is an equidigital number, since it uses as much as digits as its factorization.

100003121347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 100003121347 its reverse (743121300001), we get a palindrome (843124421348).

The spelling of 100003121347 in words is "one hundred billion, three million, one hundred twenty-one thousand, three hundred forty-seven".