111031313143 has 2 divisors, whose sum is σ = 111031313144. Its totient is φ = 111031313142.

The previous prime is 111031313119. The next prime is 111031313191. The reversal of 111031313143 is 341313130111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111031313143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111031313443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515656571 + 55515656572.

It is an arithmetic number, because the mean of its divisors is an integer number (55515656572).

Almost surely, 2^111031313143 is an apocalyptic number.

111031313143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111031313143 is an equidigital number, since it uses as much as digits as its factorization.

111031313143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 111031313143 its reverse (341313130111), we get a palindrome (452344443254).

The spelling of 111031313143 in words is "one hundred eleven billion, thirty-one million, three hundred thirteen thousand, one hundred forty-three".