3181222882679 has 4 divisors (see below), whose sum is σ = 3181510552920. Its totient is φ = 3180935212440.

The previous prime is 3181222882613. The next prime is 3181222882693. The reversal of 3181222882679 is 9762882221813.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3181222882679 - 2¹² = 3181222878583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181222881679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143818532 + ... + 143840649.

It is an arithmetic number, because the mean of its divisors is an integer number (795377638230).

Almost surely, 2^{3181222882679} is an apocalyptic number.

3181222882679 is a deficient number, since it is larger than the sum of its proper divisors (287670241).

3181222882679 is a wasteful number, since it uses less digits than its factorization.

3181222882679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287670240.

The product of its digits is 9289728, while the sum is 59.

The spelling of 3181222882679 in words is "three trillion, one hundred eighty-one billion, two hundred twenty-two million, eight hundred eighty-two thousand, six hundred seventy-nine".