30420334334 has 64 divisors (see below), whose sum is σ = 52403077440. Its totient is φ = 13142062080.

The previous prime is 30420334303. The next prime is 30420334337. The reversal of 30420334334 is 43343302403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 30420334297 and 30420334306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420334337) 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, 5035964 + ... + 5042000.

It is an arithmetic number, because the mean of its divisors is an integer number (818798085).

Almost surely, 2^30420334334 is an apocalyptic number.

30420334334 is a deficient number, since it is larger than the sum of its proper divisors (21982743106).

30420334334 is a wasteful number, since it uses less digits than its factorization.

30420334334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 30420334334 its reverse (43343302403), we get a palindrome (73763636737).

The spelling of 30420334334 in words is "thirty billion, four hundred twenty million, three hundred thirty-four thousand, three hundred thirty-four".