131222320027 has 2 divisors, whose sum is σ = 131222320028. Its totient is φ = 131222320026.

The previous prime is 131222319989. The next prime is 131222320087. The reversal of 131222320027 is 720023222131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131222320027 - 2²³ = 131213931419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131222319983 and 131222320010.

It is not a weakly prime, because it can be changed into another prime (131222320087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611160013 + 65611160014.

It is an arithmetic number, because the mean of its divisors is an integer number (65611160014).

Almost surely, 2^131222320027 is an apocalyptic number.

131222320027 is a deficient number, since it is larger than the sum of its proper divisors (1).

131222320027 is an equidigital number, since it uses as much as digits as its factorization.

131222320027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 131222320027 its reverse (720023222131), we get a palindrome (851245542158).

The spelling of 131222320027 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred twenty thousand, twenty-seven".