30993031024 has 80 divisors (see below), whose sum is σ = 67757948928. Its totient is φ = 13653871616.

The previous prime is 30993030989. The next prime is 30993031031. The reversal of 30993031024 is 42013039903.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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, 241329 + ... + 346735.

Almost surely, 2^30993031024 is an apocalyptic number.

30993031024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30993031024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33878974464).

30993031024 is an abundant number, since it is smaller than the sum of its proper divisors (36764917904).

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

30993031024 is a wasteful number, since it uses less digits than its factorization.

30993031024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105502 (or 105496 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 30993031024 in words is "thirty billion, nine hundred ninety-three million, thirty-one thousand, twenty-four".