30045043013 has 4 divisors (see below), whose sum is σ = 30084114060. Its totient is φ = 30005971968.

The previous prime is 30045043009. The next prime is 30045043027. The reversal of 30045043013 is 31034054003.

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 9757883524 + 20287159489 = 98782^2 + 142433^2 .

It is a cyclic number.

It is not a de Polignac number, because 30045043013 - 2² = 30045043009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30045043013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045048013) 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, 19534370 + ... + 19535907.

It is an arithmetic number, because the mean of its divisors is an integer number (7521028515).

Almost surely, 2^30045043013 is an apocalyptic number.

It is an amenable number.

30045043013 is a deficient number, since it is larger than the sum of its proper divisors (39071047).

30045043013 is an equidigital number, since it uses as much as digits as its factorization.

30045043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39071046.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 30045043013 its reverse (31034054003), we get a palindrome (61079097016).

The spelling of 30045043013 in words is "thirty billion, forty-five million, forty-three thousand, thirteen".