2131231211132 has 48 divisors (see below), whose sum is σ = 3897863327232. Its totient is φ = 1018658833920.

The previous prime is 2131231211107. The next prime is 2131231211143. The reversal of 2131231211132 is 2311121321312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131231211098 and 2131231211107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6417893 + ... + 6741795.

It is an arithmetic number, because the mean of its divisors is an integer number (81205485984).

Almost surely, 2^{2131231211132} is an apocalyptic number.

It is an amenable number.

2131231211132 is a deficient number, since it is larger than the sum of its proper divisors (1766632116100).

2131231211132 is a wasteful number, since it uses less digits than its factorization.

2131231211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324758 (or 324756 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

Adding to 2131231211132 its reverse (2311121321312), we get a palindrome (4442352532444).

The spelling of 2131231211132 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-one million, two hundred eleven thousand, one hundred thirty-two".