2121310131310 has 32 divisors (see below), whose sum is σ = 3854407967712. Its totient is φ = 840514500480.

The previous prime is 2121310131289. The next prime is 2121310131313. The reversal of 2121310131310 is 131310131212.

It is a super-2 number, since 2×2121310131310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121310131313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11961244 + ... + 12137296.

It is an arithmetic number, because the mean of its divisors is an integer number (120450248991).

Almost surely, 2^{2121310131310} is an apocalyptic number.

2121310131310 is a deficient number, since it is larger than the sum of its proper divisors (1733097836402).

2121310131310 is a wasteful number, since it uses less digits than its factorization.

2121310131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187428.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2121310131310 its reverse (131310131212), we get a palindrome (2252620262522).

The spelling of 2121310131310 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, one hundred thirty-one thousand, three hundred ten".