331402604346 has 192 divisors, whose sum is σ = 848667456000. Its totient is φ = 92395002240.

The previous prime is 331402604333. The next prime is 331402604371. The reversal of 331402604346 is 643406204133.

331402604346 is a `hidden beast` number, since 3 + 3 + 1 + 4 + 0 + 2 + 604 + 3 + 46 = 666.

It is a super-2 number, since 2×331402604346² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331402604346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18413520 + ... + 18431508.

It is an arithmetic number, because the mean of its divisors is an integer number (4420143000).

Almost surely, 2^331402604346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331402604346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424333728000).

331402604346 is an abundant number, since it is smaller than the sum of its proper divisors (517264851654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331402604346 is a wasteful number, since it uses less digits than its factorization.

331402604346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169 (or 18166 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 331402604346 its reverse (643406204133), we get a palindrome (974808808479).

The spelling of 331402604346 in words is "three hundred thirty-one billion, four hundred two million, six hundred four thousand, three hundred forty-six".