30303044013 has 32 divisors (see below), whose sum is σ = 44759232000. Its totient is φ = 18081581760.

The previous prime is 30303043963. The next prime is 30303044021. The reversal of 30303044013 is 31044030303.

It is not a de Polignac number, because 30303044013 - 2¹⁶ = 30302978477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303044053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7734331 + ... + 7738247.

It is an arithmetic number, because the mean of its divisors is an integer number (1398726000).

Almost surely, 2^30303044013 is an apocalyptic number.

30303044013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30303044013 is a deficient number, since it is larger than the sum of its proper divisors (14456187987).

30303044013 is a wasteful number, since it uses less digits than its factorization.

30303044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30303044013 its reverse (31044030303), we get a palindrome (61347074316).

The spelling of 30303044013 in words is "thirty billion, three hundred three million, forty-four thousand, thirteen".