331106306 has 4 divisors (see below), whose sum is σ = 496659462. Its totient is φ = 165553152.

The previous prime is 331106287. The next prime is 331106309. The reversal of 331106306 is 603601133.

331106306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 327284281 + 3822025 = 18091^2 + 1955^2 .

It is not an unprimeable number, because it can be changed into a prime (331106309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82776575 + ... + 82776578.

Almost surely, 2^331106306 is an apocalyptic number.

331106306 is a deficient number, since it is larger than the sum of its proper divisors (165553156).

331106306 is a wasteful number, since it uses less digits than its factorization.

331106306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165553155.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 331106306 is about 18196.3267172251. The cubic root of 331106306 is about 691.8136881899.

Adding to 331106306 its reverse (603601133), we get a palindrome (934707439).

The spelling of 331106306 in words is "three hundred thirty-one million, one hundred six thousand, three hundred six".