131843579212 has 24 divisors (see below), whose sum is σ = 242886067200. Its totient is φ = 62448026256.

The previous prime is 131843579201. The next prime is 131843579221. The reversal of 131843579212 is 212975348131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281933 + ... + 1380955.

It is an arithmetic number, because the mean of its divisors is an integer number (10120252800).

Almost surely, 2^131843579212 is an apocalyptic number.

It is an amenable number.

131843579212 is a deficient number, since it is larger than the sum of its proper divisors (111042487988).

131843579212 is a wasteful number, since it uses less digits than its factorization.

131843579212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116565 (or 116563 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The spelling of 131843579212 in words is "one hundred thirty-one billion, eight hundred forty-three million, five hundred seventy-nine thousand, two hundred twelve".