131022341 has 2 divisors, whose sum is σ = 131022342. Its totient is φ = 131022340.

The previous prime is 131022313. The next prime is 131022343. The reversal of 131022341 is 143220131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73034116 + 57988225 = 8546^2 + 7615^2 .

It is a cyclic number.

It is not a de Polignac number, because 131022341 - 2¹⁴ = 131005957 is a prime.

It is a super-2 number, since 2×131022341² = 34333707682240562, which contains 22 as substring.

Together with 131022343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131022343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511170 + 65511171.

It is an arithmetic number, because the mean of its divisors is an integer number (65511171).

Almost surely, 2^131022341 is an apocalyptic number.

It is an amenable number.

131022341 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022341 is an equidigital number, since it uses as much as digits as its factorization.

131022341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131022341 is about 11446.4990717686. The cubic root of 131022341 is about 507.9041775265.

Adding to 131022341 its reverse (143220131), we get a palindrome (274242472).

The spelling of 131022341 in words is "one hundred thirty-one million, twenty-two thousand, three hundred forty-one".