131210441 has 2 divisors, whose sum is σ = 131210442. Its totient is φ = 131210440.

The previous prime is 131210411. The next prime is 131210449. The reversal of 131210441 is 144012131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87703225 + 43507216 = 9365^2 + 6596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131210441 is a prime.

It is not a weakly prime, because it can be changed into another prime (131210449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605220 + 65605221.

It is an arithmetic number, because the mean of its divisors is an integer number (65605221).

Almost surely, 2^131210441 is an apocalyptic number.

It is an amenable number.

131210441 is a deficient number, since it is larger than the sum of its proper divisors (1).

131210441 is an equidigital number, since it uses as much as digits as its factorization.

131210441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 131210441 is about 11454.7126109737. The cubic root of 131210441 is about 508.1471159773.

Adding to 131210441 its reverse (144012131), we get a palindrome (275222572).

The spelling of 131210441 in words is "one hundred thirty-one million, two hundred ten thousand, four hundred forty-one".