331324340405 has 8 divisors (see below), whose sum is σ = 397592330112. Its totient is φ = 265057391248.

The previous prime is 331324340387. The next prime is 331324340429. The reversal of 331324340405 is 504043423133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331324340405 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 964424 + ... + 1262046.

It is an arithmetic number, because the mean of its divisors is an integer number (49699041264).

Almost surely, 2^331324340405 is an apocalyptic number.

It is an amenable number.

331324340405 is a deficient number, since it is larger than the sum of its proper divisors (66267989707).

331324340405 is a wasteful number, since it uses less digits than its factorization.

331324340405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520275.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 331324340405 its reverse (504043423133), we get a palindrome (835367763538).

The spelling of 331324340405 in words is "three hundred thirty-one billion, three hundred twenty-four million, three hundred forty thousand, four hundred five".