131301161 has 2 divisors, whose sum is σ = 131301162. Its totient is φ = 131301160.

The previous prime is 131301119. The next prime is 131301179. The reversal of 131301161 is 161103131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125328025 + 5973136 = 11195^2 + 2444^2 .

It is a cyclic number.

It is not a de Polignac number, because 131301161 - 2¹⁰ = 131300137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131301101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65650580 + 65650581.

It is an arithmetic number, because the mean of its divisors is an integer number (65650581).

Almost surely, 2^131301161 is an apocalyptic number.

It is an amenable number.

131301161 is a deficient number, since it is larger than the sum of its proper divisors (1).

131301161 is an equidigital number, since it uses as much as digits as its factorization.

131301161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 131301161 is about 11458.6718689384. The cubic root of 131301161 is about 508.2642013903.

Adding to 131301161 its reverse (161103131), we get a palindrome (292404292).

The spelling of 131301161 in words is "one hundred thirty-one million, three hundred one thousand, one hundred sixty-one".