1231330102027 has 2 divisors, whose sum is σ = 1231330102028. Its totient is φ = 1231330102026.

The previous prime is 1231330101979. The next prime is 1231330102031. The reversal of 1231330102027 is 7202010331321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231330102027 - 2³⁹ = 681574288139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231330101992 and 1231330102010.

It is not a weakly prime, because it can be changed into another prime (1231330100027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615665051013 + 615665051014.

It is an arithmetic number, because the mean of its divisors is an integer number (615665051014).

Almost surely, 2^{1231330102027} is an apocalyptic number.

1231330102027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231330102027 is an equidigital number, since it uses as much as digits as its factorization.

1231330102027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 1231330102027 its reverse (7202010331321), we get a palindrome (8433340433348).

The spelling of 1231330102027 in words is "one trillion, two hundred thirty-one billion, three hundred thirty million, one hundred two thousand, twenty-seven".