30443142013 has 4 divisors (see below), whose sum is σ = 30480680608. Its totient is φ = 30405603420.

The previous prime is 30443142011. The next prime is 30443142017. The reversal of 30443142013 is 31024134403.

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: 31024134403 = 37 ⋅838490119.

It is a cyclic number.

It is not a de Polignac number, because 30443142013 - 2¹ = 30443142011 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 (30443142011) 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, 18768081 + ... + 18769702.

It is an arithmetic number, because the mean of its divisors is an integer number (7620170152).

Almost surely, 2^30443142013 is an apocalyptic number.

It is an amenable number.

30443142013 is a deficient number, since it is larger than the sum of its proper divisors (37538595).

30443142013 is an equidigital number, since it uses as much as digits as its factorization.

30443142013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37538594.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30443142013 its reverse (31024134403), we get a palindrome (61467276416).

The spelling of 30443142013 in words is "thirty billion, four hundred forty-three million, one hundred forty-two thousand, thirteen".