30310323212 has 48 divisors (see below), whose sum is σ = 57582252000. Its totient is φ = 13877237760.

The previous prime is 30310323209. The next prime is 30310323221. The reversal of 30310323212 is 21232301303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7195787 + ... + 7199997.

It is an arithmetic number, because the mean of its divisors is an integer number (1199630250).

Almost surely, 2^30310323212 is an apocalyptic number.

It is an amenable number.

30310323212 is a deficient number, since it is larger than the sum of its proper divisors (27271928788).

30310323212 is a wasteful number, since it uses less digits than its factorization.

30310323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306 (or 5304 counting only the distinct ones).

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

Adding to 30310323212 its reverse (21232301303), we get a palindrome (51542624515).

The spelling of 30310323212 in words is "thirty billion, three hundred ten million, three hundred twenty-three thousand, two hundred twelve".