30943512544 has 144 divisors (see below), whose sum is σ = 73408083840. Its totient is φ = 12788858880.

The previous prime is 30943512521. The next prime is 30943512601. The reversal of 30943512544 is 44521534903.

It is a junction number, because it is equal to n+sod(n) for n = 30943512497 and 30943512506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16379952 + ... + 16381840.

It is an arithmetic number, because the mean of its divisors is an integer number (509778360).

Almost surely, 2^30943512544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30943512544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36704041920).

30943512544 is an abundant number, since it is smaller than the sum of its proper divisors (42464571296).

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

30943512544 is a wasteful number, since it uses less digits than its factorization.

30943512544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 30943512544 in words is "thirty billion, nine hundred forty-three million, five hundred twelve thousand, five hundred forty-four".