331312106 has 16 divisors (see below), whose sum is σ = 512048328. Its totient is φ = 160704000.

The previous prime is 331312049. The next prime is 331312109. The reversal of 331312106 is 601213133.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 115369081 + 215943025 = 10741^2 + 14695^2 .

It is not an unprimeable number, because it can be changed into a prime (331312109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9695 + ... + 27506.

Almost surely, 2^331312106 is an apocalyptic number.

331312106 is a deficient number, since it is larger than the sum of its proper divisors (180736222).

331312106 is a wasteful number, since it uses less digits than its factorization.

331312106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37337.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 331312106 is about 18201.9808262727. The cubic root of 331312106 is about 691.9569913796.

Adding to 331312106 its reverse (601213133), we get a palindrome (932525239).

The spelling of 331312106 in words is "three hundred thirty-one million, three hundred twelve thousand, one hundred six".