2120231031330 has 32 divisors (see below), whose sum is σ = 5096775124800. Its totient is φ = 564481536192.

The previous prime is 2120231031313. The next prime is 2120231031337. The reversal of 2120231031330 is 331301320212.

It is a junction number, because it is equal to n+sod(n) for n = 2120231031297 and 2120231031306.

It is not an unprimeable number, because it can be changed into a prime (2120231031337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57068965 + ... + 57106104.

It is an arithmetic number, because the mean of its divisors is an integer number (159274222650).

Almost surely, 2^{2120231031330} is an apocalyptic number.

2120231031330 is an abundant number, since it is smaller than the sum of its proper divisors (2976544093470).

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

2120231031330 is a wasteful number, since it uses less digits than its factorization.

2120231031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114175698.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2120231031330 its reverse (331301320212), we get a palindrome (2451532351542).

The spelling of 2120231031330 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty".