111431142313 has 2 divisors, whose sum is σ = 111431142314. Its totient is φ = 111431142312.

The previous prime is 111431142301. The next prime is 111431142359. The reversal of 111431142313 is 313241134111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76580599824 + 34850542489 = 276732^2 + 186683^2 .

It is an emirp because it is prime and its reverse (313241134111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111431142313 - 2⁵ = 111431142281 is a prime.

It is not a weakly prime, because it can be changed into another prime (111431140313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55715571156 + 55715571157.

It is an arithmetic number, because the mean of its divisors is an integer number (55715571157).

Almost surely, 2^111431142313 is an apocalyptic number.

It is an amenable number.

111431142313 is a deficient number, since it is larger than the sum of its proper divisors (1).

111431142313 is an equidigital number, since it uses as much as digits as its factorization.

111431142313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

Adding to 111431142313 its reverse (313241134111), we get a palindrome (424672276424).

The spelling of 111431142313 in words is "one hundred eleven billion, four hundred thirty-one million, one hundred forty-two thousand, three hundred thirteen".