30321142234 has 16 divisors (see below), whose sum is σ = 48232271016. Its totient is φ = 14246502400.

The previous prime is 30321142157. The next prime is 30321142237. The reversal of 30321142234 is 43224112303.

It can be written as a sum of positive squares in 4 ways, for example, as 29276236609 + 1044905625 = 171103^2 + 32325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30321142199 and 30321142208.

It is not an unprimeable number, because it can be changed into a prime (30321142237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673837 + ... + 717424.

Almost surely, 2^30321142234 is an apocalyptic number.

30321142234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30321142234 is a deficient number, since it is larger than the sum of its proper divisors (17911128782).

30321142234 is a wasteful number, since it uses less digits than its factorization.

30321142234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391921.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30321142234 its reverse (43224112303), we get a palindrome (73545254537).

The spelling of 30321142234 in words is "thirty billion, three hundred twenty-one million, one hundred forty-two thousand, two hundred thirty-four".