11031231132191 has 2 divisors, whose sum is σ = 11031231132192. Its totient is φ = 11031231132190.

The previous prime is 11031231132139. The next prime is 11031231132277. The reversal of 11031231132191 is 19123113213011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11031231132191 - 2⁴² = 6633184621087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031231132121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515615566095 + 5515615566096.

It is an arithmetic number, because the mean of its divisors is an integer number (5515615566096).

Almost surely, 2^{11031231132191} is an apocalyptic number.

11031231132191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031231132191 is an equidigital number, since it uses as much as digits as its factorization.

11031231132191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11031231132191 in words is "eleven trillion, thirty-one billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred ninety-one".