2131031323330 has 128 divisors (see below), whose sum is σ = 4821064012800. Its totient is φ = 673923640320.

The previous prime is 2131031323307. The next prime is 2131031323339. The reversal of 2131031323330 is 333231301312.

It is a super-2 number, since 2×2131031323330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131031323295 and 2131031323304.

It is not an unprimeable number, because it can be changed into a prime (2131031323339) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60937050 + ... + 60972010.

It is an arithmetic number, because the mean of its divisors is an integer number (37664562600).

Almost surely, 2^{2131031323330} is an apocalyptic number.

2131031323330 is an abundant number, since it is smaller than the sum of its proper divisors (2690032689470).

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

2131031323330 is a wasteful number, since it uses less digits than its factorization.

2131031323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36369 (or 36355 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 2131031323330 its reverse (333231301312), we get a palindrome (2464262624642).

The spelling of 2131031323330 in words is "two trillion, one hundred thirty-one billion, thirty-one million, three hundred twenty-three thousand, three hundred thirty".