331112322 has 24 divisors (see below), whose sum is σ = 718218540. Its totient is φ = 110246400.

The previous prime is 331112311. The next prime is 331112323. The reversal of 331112322 is 223211133.

331112322 is a `hidden beast` number, since 331 + 1 + 12 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 190191681 + 140920641 = 13791^2 + 11871^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 331112295 and 331112304.

It is not an unprimeable number, because it can be changed into a prime (331112323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6822 + ... + 26622.

Almost surely, 2^331112322 is an apocalyptic number.

331112322 is an abundant number, since it is smaller than the sum of its proper divisors (387106218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331112322 is a wasteful number, since it uses less digits than its factorization.

331112322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20738 (or 20735 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 331112322 is about 18196.4920245634. The cubic root of 331112322 is about 691.8178781091.

Adding to 331112322 its reverse (223211133), we get a palindrome (554323455).

The spelling of 331112322 in words is "three hundred thirty-one million, one hundred twelve thousand, three hundred twenty-two".