30313032312 has 64 divisors (see below), whose sum is σ = 78254991360. Its totient is φ = 9774921600.

The previous prime is 30313032301. The next prime is 30313032317. The reversal of 30313032312 is 21323031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313032317) 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, 2837493 + ... + 2848155.

It is an arithmetic number, because the mean of its divisors is an integer number (1222734240).

Almost surely, 2^30313032312 is an apocalyptic number.

It is an amenable number.

30313032312 is an abundant number, since it is smaller than the sum of its proper divisors (47941959048).

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

30313032312 is a wasteful number, since it uses less digits than its factorization.

30313032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14524 (or 14520 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30313032312 its reverse (21323031303), we get a palindrome (51636063615).

The spelling of 30313032312 in words is "thirty billion, three hundred thirteen million, thirty-two thousand, three hundred twelve".