2131303303212 has 24 divisors (see below), whose sum is σ = 5005975091712. Its totient is φ = 705729570000.

The previous prime is 2131303303189. The next prime is 2131303303219. The reversal of 2131303303212 is 2123033031312.

It is not an unprimeable number, because it can be changed into a prime (2131303303219) 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 7 ways as a sum of consecutive naturals, for example, 588106164 + ... + 588109787.

It is an arithmetic number, because the mean of its divisors is an integer number (208582295488).

Almost surely, 2^{2131303303212} is an apocalyptic number.

It is an amenable number.

2131303303212 is an abundant number, since it is smaller than the sum of its proper divisors (2874671788500).

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

2131303303212 is a wasteful number, since it uses less digits than its factorization.

2131303303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176216109 (or 1176216107 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2131303303212 its reverse (2123033031312), we get a palindrome (4254336334524).

The spelling of 2131303303212 in words is "two trillion, one hundred thirty-one billion, three hundred three million, three hundred three thousand, two hundred twelve".