231891868282 has 8 divisors (see below), whose sum is σ = 347841666900. Its totient is φ = 115944645984.

The previous prime is 231891868253. The next prime is 231891868331. The reversal of 231891868282 is 282868198132.

It can be written as a sum of positive squares in 2 ways, for example, as 231891365601 + 502681 = 481551^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400657 + ... + 790132.

Almost surely, 2^231891868282 is an apocalyptic number.

231891868282 is a deficient number, since it is larger than the sum of its proper divisors (115949798618).

231891868282 is a wasteful number, since it uses less digits than its factorization.

231891868282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288160.

The product of its digits is 5308416, while the sum is 58.

The spelling of 231891868282 in words is "two hundred thirty-one billion, eight hundred ninety-one million, eight hundred sixty-eight thousand, two hundred eighty-two".