331331122 has 16 divisors (see below), whose sum is σ = 527233752. Its totient is φ = 155623680.

The previous prime is 331331113. The next prime is 331331129. The reversal of 331331122 is 221133133.

It can be written as a sum of positive squares in 4 ways, for example, as 330839721 + 491401 = 18189^2 + 701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331331122.

It is not an unprimeable number, because it can be changed into a prime (331331129) 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, 9388 + ... + 27400.

Almost surely, 2^331331122 is an apocalyptic number.

331331122 is a deficient number, since it is larger than the sum of its proper divisors (195902630).

331331122 is a wasteful number, since it uses less digits than its factorization.

331331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18573.

The product of its digits is 324, while the sum is 19.

The square root of 331331122 is about 18202.5031795080. The cubic root of 331331122 is about 691.9702296547.

Adding to 331331122 its reverse (221133133), we get a palindrome (552464255).

The spelling of 331331122 in words is "three hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-two".