331346402 has 8 divisors (see below), whose sum is σ = 514158300. Its totient is φ = 159960304.

The previous prime is 331346401. The next prime is 331346467. The reversal of 331346402 is 204643133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 295118041 + 36228361 = 17179^2 + 6019^2 .

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

It is not an unprimeable number, because it can be changed into a prime (331346401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2856377 + ... + 2856492.

Almost surely, 2^331346402 is an apocalyptic number.

331346402 is a deficient number, since it is larger than the sum of its proper divisors (182811898).

331346402 is a wasteful number, since it uses less digits than its factorization.

331346402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712900.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 331346402 is about 18202.9228971613. The cubic root of 331346402 is about 691.9808666901.

Adding to 331346402 its reverse (204643133), we get a palindrome (535989535).

The spelling of 331346402 in words is "three hundred thirty-one million, three hundred forty-six thousand, four hundred two".