131037169 has 2 divisors, whose sum is σ = 131037170. Its totient is φ = 131037168.

The previous prime is 131037133. The next prime is 131037191. The reversal of 131037169 is 961730131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92448225 + 38588944 = 9615^2 + 6212^2 .

It is a cyclic number.

It is not a de Polignac number, because 131037169 - 2²¹ = 128940017 is a prime.

It is a super-2 number, since 2×131037169² = 34341479319069122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131037169.

It is not a weakly prime, because it can be changed into another prime (131037199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65518584 + 65518585.

It is an arithmetic number, because the mean of its divisors is an integer number (65518585).

Almost surely, 2^131037169 is an apocalyptic number.

It is an amenable number.

131037169 is a deficient number, since it is larger than the sum of its proper divisors (1).

131037169 is an equidigital number, since it uses as much as digits as its factorization.

131037169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 131037169 is about 11447.1467624033. The cubic root of 131037169 is about 507.9233369029.

The spelling of 131037169 in words is "one hundred thirty-one million, thirty-seven thousand, one hundred sixty-nine".