113231141 has 2 divisors, whose sum is σ = 113231142. Its totient is φ = 113231140.

The previous prime is 113231119. The next prime is 113231143. The reversal of 113231141 is 141132311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106523041 + 6708100 = 10321^2 + 2590^2 .

It is an emirp because it is prime and its reverse (141132311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113231141 - 2⁶ = 113231077 is a prime.

Together with 113231143, 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 (113231143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56615570 + 56615571.

It is an arithmetic number, because the mean of its divisors is an integer number (56615571).

Almost surely, 2^113231141 is an apocalyptic number.

It is an amenable number.

113231141 is a deficient number, since it is larger than the sum of its proper divisors (1).

113231141 is an equidigital number, since it uses as much as digits as its factorization.

113231141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 113231141 is about 10641.0122168899. The cubic root of 113231141 is about 483.7882258295.

Adding to 113231141 its reverse (141132311), we get a palindrome (254363452).

The spelling of 113231141 in words is "one hundred thirteen million, two hundred thirty-one thousand, one hundred forty-one".