30916770428 has 24 divisors (see below), whose sum is σ = 56263092480. Its totient is φ = 14847183680.

The previous prime is 30916770421. The next prime is 30916770439. The reversal of 30916770428 is 82407761903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30916770421) 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 7 ways as a sum of consecutive naturals, for example, 675551 + ... + 719862.

It is an arithmetic number, because the mean of its divisors is an integer number (2344295520).

Almost surely, 2^30916770428 is an apocalyptic number.

It is an amenable number.

30916770428 is a deficient number, since it is larger than the sum of its proper divisors (25346322052).

30916770428 is a wasteful number, since it uses less digits than its factorization.

30916770428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395637 (or 1395635 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 30916770428 in words is "thirty billion, nine hundred sixteen million, seven hundred seventy thousand, four hundred twenty-eight".