131510441 has 2 divisors, whose sum is σ = 131510442. Its totient is φ = 131510440.

The previous prime is 131510399. The next prime is 131510443. The reversal of 131510441 is 144015131.

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., 116726416 + 14784025 = 10804^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 131510441 - 2⁶ = 131510377 is a prime.

Together with 131510443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131510443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65755220 + 65755221.

It is an arithmetic number, because the mean of its divisors is an integer number (65755221).

Almost surely, 2^131510441 is an apocalyptic number.

It is an amenable number.

131510441 is a deficient number, since it is larger than the sum of its proper divisors (1).

131510441 is an equidigital number, since it uses as much as digits as its factorization.

131510441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 131510441 is about 11467.8001813774. The cubic root of 131510441 is about 508.5340976282.

Adding to 131510441 its reverse (144015131), we get a palindrome (275525572).

The spelling of 131510441 in words is "one hundred thirty-one million, five hundred ten thousand, four hundred forty-one".