10001131291 has 2 divisors, whose sum is σ = 10001131292. Its totient is φ = 10001131290.

The previous prime is 10001131267. The next prime is 10001131379. The reversal of 10001131291 is 19213110001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10001131291 - 2²¹ = 9999034139 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001131891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000565645 + 5000565646.

It is an arithmetic number, because the mean of its divisors is an integer number (5000565646).

Almost surely, 2^10001131291 is an apocalyptic number.

10001131291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001131291 is an equidigital number, since it uses as much as digits as its factorization.

10001131291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 10001131291 its reverse (19213110001), we get a palindrome (29214241292).

The spelling of 10001131291 in words is "ten billion, one million, one hundred thirty-one thousand, two hundred ninety-one".