100030031320 has 64 divisors (see below), whose sum is σ = 231537146400. Its totient is φ = 38865484800.

The previous prime is 100030031237. The next prime is 100030031369. The reversal of 100030031320 is 23130030001.

It is a self number, because there is not a number n which added to its sum of digits gives 100030031320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833251 + ... + 945709.

Almost surely, 2^100030031320 is an apocalyptic number.

100030031320 is a gapful number since it is divisible by the number (10) 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 100030031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115768573200).

100030031320 is an abundant number, since it is smaller than the sum of its proper divisors (131507115080).

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

100030031320 is a wasteful number, since it uses less digits than its factorization.

100030031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113108 (or 113104 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 100030031320 its reverse (23130030001), we get a palindrome (123160061321).

The spelling of 100030031320 in words is "one hundred billion, thirty million, thirty-one thousand, three hundred twenty".