10001340191 has 4 divisors (see below), whose sum is σ = 10067574384. Its totient is φ = 9935106000.

The previous prime is 10001340161. The next prime is 10001340199. The reversal of 10001340191 is 19104310001.

10001340191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19104310001 = 7 ⋅2729187143.

It is a cyclic number.

It is not a de Polignac number, because 10001340191 - 2⁶ = 10001340127 is a prime.

It is a super-3 number, since 3×10001340191³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001340199) 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, 33116870 + ... + 33117171.

It is an arithmetic number, because the mean of its divisors is an integer number (2516893596).

Almost surely, 2^10001340191 is an apocalyptic number.

10001340191 is a deficient number, since it is larger than the sum of its proper divisors (66234193).

10001340191 is an equidigital number, since it uses as much as digits as its factorization.

10001340191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66234192.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10001340191 its reverse (19104310001), we get a palindrome (29105650192).

The spelling of 10001340191 in words is "ten billion, one million, three hundred forty thousand, one hundred ninety-one".