42030341321 has 4 divisors (see below), whose sum is σ = 42065338644. Its totient is φ = 41995344000.

The previous prime is 42030341317. The next prime is 42030341363. The reversal of 42030341321 is 12314303024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6369795721 + 35660545600 = 79811^2 + 188840^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030341321 - 2² = 42030341317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42030041321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17496860 + ... + 17499261.

It is an arithmetic number, because the mean of its divisors is an integer number (10516334661).

Almost surely, 2^42030341321 is an apocalyptic number.

It is an amenable number.

42030341321 is a deficient number, since it is larger than the sum of its proper divisors (34997323).

42030341321 is a wasteful number, since it uses less digits than its factorization.

42030341321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34997322.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42030341321 its reverse (12314303024), we get a palindrome (54344644345).

The spelling of 42030341321 in words is "forty-two billion, thirty million, three hundred forty-one thousand, three hundred twenty-one".