30103231320 has 96 divisors (see below), whose sum is σ = 99295812720. Its totient is φ = 7907708160.

The previous prime is 30103231313. The next prime is 30103231337. The reversal of 30103231320 is 2313230103.

30103231320 is a `hidden beast` number, since 301 + 0 + 32 + 313 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30103231293 and 30103231302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599911 + ... + 648150.

Almost surely, 2^30103231320 is an apocalyptic number.

30103231320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30103231320 is an abundant number, since it is smaller than the sum of its proper divisors (69192581400).

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

30103231320 is a wasteful number, since it uses less digits than its factorization.

30103231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248145 (or 1248138 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30103231320 its reverse (2313230103), we get a palindrome (32416461423).

The spelling of 30103231320 in words is "thirty billion, one hundred three million, two hundred thirty-one thousand, three hundred twenty".