331122686399 has 4 divisors (see below), whose sum is σ = 334160509320. Its totient is φ = 328084863480.

The previous prime is 331122686387. The next prime is 331122686449. The reversal of 331122686399 is 993686221133.

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 331122686399 - 2⁴ = 331122686383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331122686399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331122686899) 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, 1518911297 + ... + 1518911514.

It is an arithmetic number, because the mean of its divisors is an integer number (83540127330).

Almost surely, 2^331122686399 is an apocalyptic number.

331122686399 is a deficient number, since it is larger than the sum of its proper divisors (3037822921).

331122686399 is a wasteful number, since it uses less digits than its factorization.

331122686399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037822920.

The product of its digits is 2519424, while the sum is 53.

The spelling of 331122686399 in words is "three hundred thirty-one billion, one hundred twenty-two million, six hundred eighty-six thousand, three hundred ninety-nine".