30313100320 has 24 divisors (see below), whose sum is σ = 71614699884. Its totient is φ = 12125240064.

The previous prime is 30313100281. The next prime is 30313100347. The reversal of 30313100320 is 2300131303.

It can be written as a sum of positive squares in 2 ways, for example, as 26408850064 + 3904250256 = 162508^2 + 62484^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30313100294 and 30313100303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94728279 + ... + 94728598.

Almost surely, 2^30313100320 is an apocalyptic number.

It is an amenable number.

30313100320 is an abundant number, since it is smaller than the sum of its proper divisors (41301599564).

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

30313100320 is a wasteful number, since it uses less digits than its factorization.

30313100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189456892 (or 189456884 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30313100320 its reverse (2300131303), we get a palindrome (32613231623).

The spelling of 30313100320 in words is "thirty billion, three hundred thirteen million, one hundred thousand, three hundred twenty".