30131660448 has 120 divisors (see below), whose sum is σ = 88903694880. Its totient is φ = 10011323520.

The previous prime is 30131660407. The next prime is 30131660453. The reversal of 30131660448 is 84406613103.

It is a happy number.

30131660448 is a `hidden beast` number, since 3 + 0 + 1 + 3 + 1 + 6 + 604 + 48 = 666.

It is a super-2 number, since 2×30131660448² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 787423 + ... + 824801.

It is an arithmetic number, because the mean of its divisors is an integer number (740864124).

Almost surely, 2^30131660448 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 30131660448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44451847440).

30131660448 is an abundant number, since it is smaller than the sum of its proper divisors (58772034432).

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

30131660448 is a wasteful number, since it uses less digits than its factorization.

30131660448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37712 (or 37695 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 30131660448 in words is "thirty billion, one hundred thirty-one million, six hundred sixty thousand, four hundred forty-eight".