42312114421 has 2 divisors, whose sum is σ = 42312114422. Its totient is φ = 42312114420.

The previous prime is 42312114407. The next prime is 42312114451. The reversal of 42312114421 is 12441121324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39169951396 + 3142163025 = 197914^2 + 56055^2 .

It is a cyclic number.

It is not a de Polignac number, because 42312114421 - 2⁵ = 42312114389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42312114451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156057210 + 21156057211.

It is an arithmetic number, because the mean of its divisors is an integer number (21156057211).

Almost surely, 2^42312114421 is an apocalyptic number.

It is an amenable number.

42312114421 is a deficient number, since it is larger than the sum of its proper divisors (1).

42312114421 is an equidigital number, since it uses as much as digits as its factorization.

42312114421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

Adding to 42312114421 its reverse (12441121324), we get a palindrome (54753235745).

The spelling of 42312114421 in words is "forty-two billion, three hundred twelve million, one hundred fourteen thousand, four hundred twenty-one".