30042171013 has 4 divisors (see below), whose sum is σ = 30043031040. Its totient is φ = 30041310988.

The previous prime is 30042171011. The next prime is 30042171017. The reversal of 30042171013 is 31017124003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31017124003 = 139 ⋅223144777.

It is a cyclic number.

It is not a de Polignac number, because 30042171013 - 2¹ = 30042171011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30042171011) 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, 375295 + ... + 448252.

It is an arithmetic number, because the mean of its divisors is an integer number (7510757760).

Almost surely, 2^30042171013 is an apocalyptic number.

It is an amenable number.

30042171013 is a deficient number, since it is larger than the sum of its proper divisors (860027).

30042171013 is an equidigital number, since it uses as much as digits as its factorization.

30042171013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860026.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 30042171013 its reverse (31017124003), we get a palindrome (61059295016).

The spelling of 30042171013 in words is "thirty billion, forty-two million, one hundred seventy-one thousand, thirteen".