30989307854232 has 432 divisors, whose sum is σ = 109130387071680. Its totient is φ = 7909354252800.

The previous prime is 30989307854231. The next prime is 30989307854237. The reversal of 30989307854232 is 23245870398903.

30989307854232 is a `hidden beast` number, since 3 + 0 + 9 + 89 + 3 + 0 + 7 + 8 + 542 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 30989307854232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30989307854231) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 17644882 + ... + 19321502.

It is an arithmetic number, because the mean of its divisors is an integer number (252616636740).

Almost surely, 2^{30989307854232} 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 30989307854232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54565193535840).

30989307854232 is an abundant number, since it is smaller than the sum of its proper divisors (78141079217448).

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

30989307854232 is a wasteful number, since it uses less digits than its factorization.

30989307854232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676704 (or 1676677 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 30989307854232 in words is "thirty trillion, nine hundred eighty-nine billion, three hundred seven million, eight hundred fifty-four thousand, two hundred thirty-two".