30812601328 has 10 divisors (see below), whose sum is σ = 59699415104. Its totient is φ = 15406300656.

The previous prime is 30812601319. The next prime is 30812601329. The reversal of 30812601328 is 82310621803.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30812601293 and 30812601302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30812601329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962893776 + ... + 962893807.

Almost surely, 2^30812601328 is an apocalyptic number.

It is an amenable number.

30812601328 is a deficient number, since it is larger than the sum of its proper divisors (28886813776).

30812601328 is a wasteful number, since it uses less digits than its factorization.

30812601328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925787591 (or 1925787585 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 30812601328 in words is "thirty billion, eight hundred twelve million, six hundred one thousand, three hundred twenty-eight".