131435201 has 2 divisors, whose sum is σ = 131435202. Its totient is φ = 131435200.

The previous prime is 131435167. The next prime is 131435209. The reversal of 131435201 is 102534131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 24850225 = 10324^2 + 4985^2 .

It is a cyclic number.

It is not a de Polignac number, because 131435201 - 2²⁶ = 64326337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131435209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65717600 + 65717601.

It is an arithmetic number, because the mean of its divisors is an integer number (65717601).

Almost surely, 2^131435201 is an apocalyptic number.

It is an amenable number.

131435201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131435201 is an equidigital number, since it uses as much as digits as its factorization.

131435201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131435201 is about 11464.5192223660. The cubic root of 131435201 is about 508.4370979670.

Adding to 131435201 its reverse (102534131), we get a palindrome (233969332).

The spelling of 131435201 in words is "one hundred thirty-one million, four hundred thirty-five thousand, two hundred one".