30311333132 has 48 divisors (see below), whose sum is σ = 57567565440. Its totient is φ = 13909093632.

The previous prime is 30311333083. The next prime is 30311333147. The reversal of 30311333132 is 23133311303.

It is a junction number, because it is equal to n+sod(n) for n = 30311333098 and 30311333107.

It is an unprimeable number.

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, 1801583 + ... + 1818329.

It is an arithmetic number, because the mean of its divisors is an integer number (1199324280).

Almost surely, 2^30311333132 is an apocalyptic number.

It is an amenable number.

30311333132 is a deficient number, since it is larger than the sum of its proper divisors (27256232308).

30311333132 is a wasteful number, since it uses less digits than its factorization.

30311333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17430 (or 17428 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 30311333132 its reverse (23133311303), we get a palindrome (53444644435).

The spelling of 30311333132 in words is "thirty billion, three hundred eleven million, three hundred thirty-three thousand, one hundred thirty-two".