331000322 has 4 divisors (see below), whose sum is σ = 496500486. Its totient is φ = 165500160.

The previous prime is 331000309. The next prime is 331000333. The reversal of 331000322 is 223000133.

331000322 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., 324036001 + 6964321 = 18001^2 + 2639^2 .

It is a super-2 number, since 2×331000322² = 219122426328207368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331000297 and 331000306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82750079 + ... + 82750082.

Almost surely, 2^331000322 is an apocalyptic number.

331000322 is a deficient number, since it is larger than the sum of its proper divisors (165500164).

331000322 is a wasteful number, since it uses less digits than its factorization.

331000322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165500163.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 331000322 is about 18193.4142480184. The cubic root of 331000322 is about 691.7398659712.

Adding to 331000322 its reverse (223000133), we get a palindrome (554000455).

The spelling of 331000322 in words is "three hundred thirty-one million, three hundred twenty-two", and thus it is an aban number.