131074241 has 2 divisors, whose sum is σ = 131074242. Its totient is φ = 131074240.

The previous prime is 131074219. The next prime is 131074243. The reversal of 131074241 is 142470131.

131074241 = 8095² + 8096².

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., 65545216 + 65529025 = 8096^2 + 8095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131074241 is a prime.

Together with 131074243, 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 (131074243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65537120 + 65537121.

It is an arithmetic number, because the mean of its divisors is an integer number (65537121).

Almost surely, 2^131074241 is an apocalyptic number.

131074241 is the 8096-th centered square number.

It is an amenable number.

131074241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131074241 is an equidigital number, since it uses as much as digits as its factorization.

131074241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 131074241 is about 11448.7659160278. The cubic root of 131074241 is about 507.9712316050.

The spelling of 131074241 in words is "one hundred thirty-one million, seventy-four thousand, two hundred forty-one".