30213130312 has 16 divisors (see below), whose sum is σ = 56658393900. Its totient is φ = 15104225280.

The previous prime is 30213130279. The next prime is 30213130313. The reversal of 30213130312 is 21303131203.

It can be written as a sum of positive squares in 2 ways, for example, as 29841180516 + 371949796 = 172746^2 + 19286^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30213130312.

It is not an unprimeable number, because it can be changed into a prime (30213130313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236989 + ... + 341452.

Almost surely, 2^30213130312 is an apocalyptic number.

It is an amenable number.

30213130312 is a deficient number, since it is larger than the sum of its proper divisors (26445263588).

30213130312 is a wasteful number, since it uses less digits than its factorization.

30213130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584976 (or 584972 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30213130312 its reverse (21303131203), we get a palindrome (51516261515).

The spelling of 30213130312 in words is "thirty billion, two hundred thirteen million, one hundred thirty thousand, three hundred twelve".