1113144431071 has 2 divisors, whose sum is σ = 1113144431072. Its totient is φ = 1113144431070.

The previous prime is 1113144431041. The next prime is 1113144431159. The reversal of 1113144431071 is 1701344413111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113144431071 - 2⁵ = 1113144431039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113144431041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556572215535 + 556572215536.

It is an arithmetic number, because the mean of its divisors is an integer number (556572215536).

Almost surely, 2^{1113144431071} is an apocalyptic number.

1113144431071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113144431071 is an equidigital number, since it uses as much as digits as its factorization.

1113144431071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 1113144431071 its reverse (1701344413111), we get a palindrome (2814488844182).

The spelling of 1113144431071 in words is "one trillion, one hundred thirteen billion, one hundred forty-four million, four hundred thirty-one thousand, seventy-one".