131355611 has 2 divisors, whose sum is σ = 131355612. Its totient is φ = 131355610.

The previous prime is 131355589. The next prime is 131355619. The reversal of 131355611 is 116553131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131355611 - 2⁶ = 131355547 is a prime.

It is not a weakly prime, because it can be changed into another prime (131355619) 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, 65677805 + 65677806.

It is an arithmetic number, because the mean of its divisors is an integer number (65677806).

Almost surely, 2^131355611 is an apocalyptic number.

131355611 is a deficient number, since it is larger than the sum of its proper divisors (1).

131355611 is an equidigital number, since it uses as much as digits as its factorization.

131355611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 26.

The square root of 131355611 is about 11461.0475524709. The cubic root of 131355611 is about 508.3344499722.

The spelling of 131355611 in words is "one hundred thirty-one million, three hundred fifty-five thousand, six hundred eleven".