30420031234433 has 32 divisors (see below), whose sum is σ = 33078040934400. Its totient is φ = 27892048250880.

The previous prime is 30420031234427. The next prime is 30420031234441. The reversal of 30420031234433 is 33443213002403.

It is a cyclic number.

It is not a de Polignac number, because 30420031234433 - 2¹⁰ = 30420031233409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30420031234433.

It is not an unprimeable number, because it can be changed into a prime (30420031234423) 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, 44299493 + ... + 44980941.

It is an arithmetic number, because the mean of its divisors is an integer number (1033688779200).

Almost surely, 2^{30420031234433} is an apocalyptic number.

It is an amenable number.

30420031234433 is a deficient number, since it is larger than the sum of its proper divisors (2658009699967).

30420031234433 is a wasteful number, since it uses less digits than its factorization.

30420031234433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682097.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 30420031234433 its reverse (33443213002403), we get a palindrome (63863244236836).

The spelling of 30420031234433 in words is "thirty trillion, four hundred twenty billion, thirty-one million, two hundred thirty-four thousand, four hundred thirty-three".