42311636071 has 2 divisors, whose sum is σ = 42311636072. Its totient is φ = 42311636070.

The previous prime is 42311636021. The next prime is 42311636077. The reversal of 42311636071 is 17063611324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42311636071 - 2⁷ = 42311635943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42311636077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155818035 + 21155818036.

It is an arithmetic number, because the mean of its divisors is an integer number (21155818036).

Almost surely, 2^42311636071 is an apocalyptic number.

42311636071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42311636071 is an equidigital number, since it uses as much as digits as its factorization.

42311636071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

It can be divided in two parts, 42 and 311636071, that added together give a palindrome (311636113).

The spelling of 42311636071 in words is "forty-two billion, three hundred eleven million, six hundred thirty-six thousand, seventy-one".