331665344245 has 8 divisors (see below), whose sum is σ = 398008902816. Its totient is φ = 265325282256.

The previous prime is 331665344243. The next prime is 331665344293. The reversal of 331665344245 is 542443566133.

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

It is a cyclic number.

It is not a de Polignac number, because 331665344245 - 2¹ = 331665344243 is a prime.

It is a super-2 number, since 2×331665344245² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331665344195 and 331665344204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331665344243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660727 + ... + 1048756.

It is an arithmetic number, because the mean of its divisors is an integer number (49751112852).

Almost surely, 2^331665344245 is an apocalyptic number.

It is an amenable number.

331665344245 is a deficient number, since it is larger than the sum of its proper divisors (66343558571).

331665344245 is a wasteful number, since it uses less digits than its factorization.

331665344245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748291.

The product of its digits is 3110400, while the sum is 46.

The spelling of 331665344245 in words is "three hundred thirty-one billion, six hundred sixty-five million, three hundred forty-four thousand, two hundred forty-five".