30814473612 has 48 divisors (see below), whose sum is σ = 78411415040. Its totient is φ = 9361355328.

The previous prime is 30814473611. The next prime is 30814473631. The reversal of 30814473612 is 21637441803.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (30814473611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237858 + ... + 1262505.

Almost surely, 2^30814473612 is an apocalyptic number.

It is an amenable number.

30814473612 is an abundant number, since it is smaller than the sum of its proper divisors (47596941428).

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

30814473612 is a wasteful number, since it uses less digits than its factorization.

30814473612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500462 (or 2500460 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 30814473612 in words is "thirty billion, eight hundred fourteen million, four hundred seventy-three thousand, six hundred twelve".