2131353235312 has 20 divisors (see below), whose sum is σ = 4719425021296. Its totient is φ = 913437100800.

The previous prime is 2131353235309. The next prime is 2131353235331. The reversal of 2131353235312 is 2135323531312.

It is a super-2 number, since 2×2131353235312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514969689 + ... + 9514969912.

Almost surely, 2^{2131353235312} is an apocalyptic number.

It is an amenable number.

2131353235312 is an abundant number, since it is smaller than the sum of its proper divisors (2588071785984).

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

2131353235312 is a wasteful number, since it uses less digits than its factorization.

2131353235312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19029939616 (or 19029939610 counting only the distinct ones).

The product of its digits is 48600, while the sum is 34.

Adding to 2131353235312 its reverse (2135323531312), we get a palindrome (4266676766624).

The spelling of 2131353235312 in words is "two trillion, one hundred thirty-one billion, three hundred fifty-three million, two hundred thirty-five thousand, three hundred twelve".