30312002330 has 16 divisors (see below), whose sum is σ = 55892375784. Its totient is φ = 11829073920.

The previous prime is 30312002327. The next prime is 30312002443. The reversal of 30312002330 is 3320021303.

It can be written as a sum of positive squares in 4 ways, for example, as 6334408921 + 23977593409 = 79589^2 + 154847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30312002299 and 30312002308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36965447 + ... + 36966266.

Almost surely, 2^30312002330 is an apocalyptic number.

30312002330 is a deficient number, since it is larger than the sum of its proper divisors (25580373454).

30312002330 is a wasteful number, since it uses less digits than its factorization.

30312002330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73931761.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30312002330 its reverse (3320021303), we get a palindrome (33632023633).

The spelling of 30312002330 in words is "thirty billion, three hundred twelve million, two thousand, three hundred thirty".