331349043225 has 12 divisors (see below), whose sum is σ = 547830418256. Its totient is φ = 176719489680.

The previous prime is 331349043209. The next prime is 331349043301. The reversal of 331349043225 is 522340943133.

It is not a de Polignac number, because 331349043225 - 2⁴ = 331349043209 is a prime.

It is a super-2 number, since 2×331349043225² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2208993547 + ... + 2208993696.

Almost surely, 2^331349043225 is an apocalyptic number.

It is an amenable number.

331349043225 is a deficient number, since it is larger than the sum of its proper divisors (216481375031).

331349043225 is a wasteful number, since it uses less digits than its factorization.

331349043225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417987256 (or 4417987251 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 331349043225 its reverse (522340943133), we get a palindrome (853689986358).

The spelling of 331349043225 in words is "three hundred thirty-one billion, three hundred forty-nine million, forty-three thousand, two hundred twenty-five".