2131320030 has 32 divisors (see below), whose sum is σ = 5845906944. Its totient is φ = 487158816.

The previous prime is 2131319999. The next prime is 2131320031. The reversal of 2131320030 is 300231312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2131319991 and 2131320009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5074362 + ... + 5074781.

It is an arithmetic number, because the mean of its divisors is an integer number (182684592).

Almost surely, 2^2131320030 is an apocalyptic number.

2131320030 is an abundant number, since it is smaller than the sum of its proper divisors (3714586914).

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

2131320030 is a wasteful number, since it uses less digits than its factorization.

2131320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149160.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2131320030 is about 46166.2217427417. The cubic root of 2131320030 is about 1286.9140888904.

Adding to 2131320030 its reverse (300231312), we get a palindrome (2431551342).

The spelling of 2131320030 in words is "two billion, one hundred thirty-one million, three hundred twenty thousand, thirty".