131311027 has 2 divisors, whose sum is σ = 131311028. Its totient is φ = 131311026.

The previous prime is 131311001. The next prime is 131311031. The reversal of 131311027 is 720113131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131311027 - 2⁷ = 131310899 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 131310995 and 131311013.

It is not a weakly prime, because it can be changed into another prime (131311057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655513 + 65655514.

It is an arithmetic number, because the mean of its divisors is an integer number (65655514).

Almost surely, 2^131311027 is an apocalyptic number.

131311027 is a deficient number, since it is larger than the sum of its proper divisors (1).

131311027 is an equidigital number, since it uses as much as digits as its factorization.

131311027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 131311027 is about 11459.1023644961. The cubic root of 131311027 is about 508.2769314352.

Adding to 131311027 its reverse (720113131), we get a palindrome (851424158).

The spelling of 131311027 in words is "one hundred thirty-one million, three hundred eleven thousand, twenty-seven".