111331230071 has 2 divisors, whose sum is σ = 111331230072. Its totient is φ = 111331230070.

The previous prime is 111331230061. The next prime is 111331230121. The reversal of 111331230071 is 170032133111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111331230071 - 2³⁴ = 94151360887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111331230061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665615035 + 55665615036.

It is an arithmetic number, because the mean of its divisors is an integer number (55665615036).

Almost surely, 2^111331230071 is an apocalyptic number.

111331230071 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331230071 is an equidigital number, since it uses as much as digits as its factorization.

111331230071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

Adding to 111331230071 its reverse (170032133111), we get a palindrome (281363363182).

The spelling of 111331230071 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred thirty thousand, seventy-one".