30320031104 has 64 divisors (see below), whose sum is σ = 66259000080. Its totient is φ = 13705574400.

The previous prime is 30320031101. The next prime is 30320031169. The reversal of 30320031104 is 40113002303.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×30320031104² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320031101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195362 + ... + 314334.

Almost surely, 2^30320031104 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 30320031104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33129500040).

30320031104 is an abundant number, since it is smaller than the sum of its proper divisors (35938968976).

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

30320031104 is a wasteful number, since it uses less digits than its factorization.

30320031104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119179 (or 119167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30320031104 its reverse (40113002303), we get a palindrome (70433033407).

The spelling of 30320031104 in words is "thirty billion, three hundred twenty million, thirty-one thousand, one hundred four".