63111343 has 2 divisors, whose sum is σ = 63111344. Its totient is φ = 63111342.

The previous prime is 63111329. The next prime is 63111353. The reversal of 63111343 is 34311136.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63111343 - 2⁵ = 63111311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63111313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31555671 + 31555672.

It is an arithmetic number, because the mean of its divisors is an integer number (31555672).

Almost surely, 2^63111343 is an apocalyptic number.

63111343 is a deficient number, since it is larger than the sum of its proper divisors (1).

63111343 is an equidigital number, since it uses as much as digits as its factorization.

63111343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 63111343 is about 7944.2647866244. The cubic root of 63111343 is about 398.1399956153.

Adding to 63111343 its reverse (34311136), we get a palindrome (97422479).

The spelling of 63111343 in words is "sixty-three million, one hundred eleven thousand, three hundred forty-three".