143331113 has 2 divisors, whose sum is σ = 143331114. Its totient is φ = 143331112.

The previous prime is 143331107. The next prime is 143331191. The reversal of 143331113 is 311133341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 57805609 = 9248^2 + 7603^2 .

It is a cyclic number.

It is not a de Polignac number, because 143331113 - 2⁶ = 143331049 is a prime.

It is not a weakly prime, because it can be changed into another prime (143331313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71665556 + 71665557.

It is an arithmetic number, because the mean of its divisors is an integer number (71665557).

Almost surely, 2^143331113 is an apocalyptic number.

It is an amenable number.

143331113 is a deficient number, since it is larger than the sum of its proper divisors (1).

143331113 is an equidigital number, since it uses as much as digits as its factorization.

143331113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 143331113 is about 11972.0972682317. The cubic root of 143331113 is about 523.3354542582.

Adding to 143331113 its reverse (311133341), we get a palindrome (454464454).

The spelling of 143331113 in words is "one hundred forty-three million, three hundred thirty-one thousand, one hundred thirteen".