30320235426 has 32 divisors (see below), whose sum is σ = 65376960768. Its totient is φ = 9319040640.

The previous prime is 30320235391. The next prime is 30320235427. The reversal of 30320235426 is 62453202303.

It is a junction number, because it is equal to n+sod(n) for n = 30320235393 and 30320235402.

It is not an unprimeable number, because it can be changed into a prime (30320235427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142291 + ... + 284406.

It is an arithmetic number, because the mean of its divisors is an integer number (2043030024).

Almost surely, 2^30320235426 is an apocalyptic number.

30320235426 is an abundant number, since it is smaller than the sum of its proper divisors (35056725342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30320235426 is a wasteful number, since it uses less digits than its factorization.

30320235426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427626.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 30320235426 its reverse (62453202303), we get a palindrome (92773437729).

The spelling of 30320235426 in words is "thirty billion, three hundred twenty million, two hundred thirty-five thousand, four hundred twenty-six".