1001000100913 has 2 divisors, whose sum is σ = 1001000100914. Its totient is φ = 1001000100912.

The previous prime is 1001000100883. The next prime is 1001000100929. The reversal of 1001000100913 is 3190010001001.

It is a happy number.

It is an a-pointer prime, because the next prime (1001000100929) can be obtained adding 1001000100913 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538391997504 + 462608103409 = 733752^2 + 680153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001000100913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001000100953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500050456 + 500500050457.

It is an arithmetic number, because the mean of its divisors is an integer number (500500050457).

Almost surely, 2^{1001000100913} is an apocalyptic number.

It is an amenable number.

1001000100913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001000100913 is an equidigital number, since it uses as much as digits as its factorization.

1001000100913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1001000100913 its reverse (3190010001001), we get a palindrome (4191010101914).

The spelling of 1001000100913 in words is "one trillion, one billion, one hundred thousand, nine hundred thirteen".