1231140110071 has 2 divisors, whose sum is σ = 1231140110072. Its totient is φ = 1231140110070.

The previous prime is 1231140109981. The next prime is 1231140110077. The reversal of 1231140110071 is 1700110411321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231140110071 - 2⁷ = 1231140109943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231140110077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615570055035 + 615570055036.

It is an arithmetic number, because the mean of its divisors is an integer number (615570055036).

Almost surely, 2^{1231140110071} is an apocalyptic number.

1231140110071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231140110071 is an equidigital number, since it uses as much as digits as its factorization.

1231140110071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 1231140110071 its reverse (1700110411321), we get a palindrome (2931250521392).

The spelling of 1231140110071 in words is "one trillion, two hundred thirty-one billion, one hundred forty million, one hundred ten thousand, seventy-one".