1010311230191 has 2 divisors, whose sum is σ = 1010311230192. Its totient is φ = 1010311230190.

The previous prime is 1010311230169. The next prime is 1010311230193. The reversal of 1010311230191 is 1910321130101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010311230191 - 2¹⁰ = 1010311229167 is a prime.

Together with 1010311230193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010311230193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505155615095 + 505155615096.

It is an arithmetic number, because the mean of its divisors is an integer number (505155615096).

Almost surely, 2^{1010311230191} is an apocalyptic number.

1010311230191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010311230191 is an equidigital number, since it uses as much as digits as its factorization.

1010311230191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 1010311230191 its reverse (1910321130101), we get a palindrome (2920632360292).

The spelling of 1010311230191 in words is "one trillion, ten billion, three hundred eleven million, two hundred thirty thousand, one hundred ninety-one".