30313023212 has 12 divisors (see below), whose sum is σ = 53051319216. Its totient is φ = 15155503440.

The previous prime is 30313023199. The next prime is 30313023233. The reversal of 30313023212 is 21232031303.

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 3 ways as a sum of consecutive naturals, for example, 182243 + ... + 306330.

It is an arithmetic number, because the mean of its divisors is an integer number (4420943268).

Almost surely, 2^30313023212 is an apocalyptic number.

It is an amenable number.

30313023212 is a deficient number, since it is larger than the sum of its proper divisors (22738296004).

30313023212 is a wasteful number, since it uses less digits than its factorization.

30313023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504088 (or 504086 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30313023212 its reverse (21232031303), we get a palindrome (51545054515).

The spelling of 30313023212 in words is "thirty billion, three hundred thirteen million, twenty-three thousand, two hundred twelve".