131062109 has 2 divisors, whose sum is σ = 131062110. Its totient is φ = 131062108.

The previous prime is 131062097. The next prime is 131062121. The reversal of 131062109 is 901260131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (131062097) and next prime (131062121).

It can be written as a sum of positive squares in only one way, i.e., 129163225 + 1898884 = 11365^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 131062109 - 2¹⁶ = 130996573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131062159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65531054 + 65531055.

It is an arithmetic number, because the mean of its divisors is an integer number (65531055).

Almost surely, 2^131062109 is an apocalyptic number.

It is an amenable number.

131062109 is a deficient number, since it is larger than the sum of its proper divisors (1).

131062109 is an equidigital number, since it uses as much as digits as its factorization.

131062109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 131062109 is about 11448.2360650015. The cubic root of 131062109 is about 507.9555588151.

The spelling of 131062109 in words is "one hundred thirty-one million, sixty-two thousand, one hundred nine".