30691669941120 has 256 divisors, whose sum is σ = 97973572032000. Its totient is φ = 8172418867200.

The previous prime is 30691669941061. The next prime is 30691669941137. The reversal of 30691669941120 is 2114996619603.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4595245941 + ... + 4595252619.

It is an arithmetic number, because the mean of its divisors is an integer number (382709265750).

Almost surely, 2^{30691669941120} is an apocalyptic number.

30691669941120 is a gapful number since it is divisible by the number (30) 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 30691669941120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48986786016000).

30691669941120 is an abundant number, since it is smaller than the sum of its proper divisors (67281902090880).

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

30691669941120 is a wasteful number, since it uses less digits than its factorization.

30691669941120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9861 (or 9849 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 30691669941120 in words is "thirty trillion, six hundred ninety-one billion, six hundred sixty-nine million, nine hundred forty-one thousand, one hundred twenty".