30071832981532 has 12 divisors (see below), whose sum is σ = 52630336674720. Its totient is φ = 15034593931616.

The previous prime is 30071832981497. The next prime is 30071832981539. The reversal of 30071832981532 is 23518923817003.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30071832981532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30071832981539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330588628 + ... + 330679579.

It is an arithmetic number, because the mean of its divisors is an integer number (4385861389560).

Almost surely, 2^{30071832981532} is an apocalyptic number.

It is an amenable number.

30071832981532 is a deficient number, since it is larger than the sum of its proper divisors (22558503693188).

30071832981532 is a wasteful number, since it uses less digits than its factorization.

30071832981532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661279580 (or 661279578 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 30071832981532 in words is "thirty trillion, seventy-one billion, eight hundred thirty-two million, nine hundred eighty-one thousand, five hundred thirty-two".