30403134288 has 120 divisors (see below), whose sum is σ = 90176156928. Its totient is φ = 9529291776.

The previous prime is 30403134287. The next prime is 30403134317. The reversal of 30403134288 is 88243130403.

It is a happy number.

30403134288 is a `hidden beast` number, since 304 + 0 + 3 + 1 + 342 + 8 + 8 = 666.

It is a super-2 number, since 2×30403134288² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403134287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2900545 + ... + 2911007.

Almost surely, 2^30403134288 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 30403134288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45088078464).

30403134288 is an abundant number, since it is smaller than the sum of its proper divisors (59773022640).

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

30403134288 is a wasteful number, since it uses less digits than its factorization.

30403134288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681 (or 11672 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 30403134288 in words is "thirty billion, four hundred three million, one hundred thirty-four thousand, two hundred eighty-eight".