331225405106 has 8 divisors (see below), whose sum is σ = 501960150300. Its totient is φ = 163905355008.

The previous prime is 331225405099. The next prime is 331225405109. The reversal of 331225405106 is 601504522133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 309731206225 + 21494198881 = 556535^2 + 146609^2 .

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 (331225405109) 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, 853673531 + ... + 853673918.

Almost surely, 2^331225405106 is an apocalyptic number.

331225405106 is a deficient number, since it is larger than the sum of its proper divisors (170734745194).

331225405106 is a wasteful number, since it uses less digits than its factorization.

331225405106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707347548.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 331225405106 its reverse (601504522133), we get a palindrome (932729927239).

The spelling of 331225405106 in words is "three hundred thirty-one billion, two hundred twenty-five million, four hundred five thousand, one hundred six".