1323131131027 has 2 divisors, whose sum is σ = 1323131131028. Its totient is φ = 1323131131026.

The previous prime is 1323131130973. The next prime is 1323131131087. The reversal of 1323131131027 is 7201311313231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323131131027 - 2⁷ = 1323131130899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323131130986 and 1323131131004.

It is not a weakly prime, because it can be changed into another prime (1323131131087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661565565513 + 661565565514.

It is an arithmetic number, because the mean of its divisors is an integer number (661565565514).

Almost surely, 2^{1323131131027} is an apocalyptic number.

1323131131027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323131131027 is an equidigital number, since it uses as much as digits as its factorization.

1323131131027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 1323131131027 its reverse (7201311313231), we get a palindrome (8524442444258).

The spelling of 1323131131027 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, twenty-seven".