331444324 has 6 divisors (see below), whose sum is σ = 580027574. Its totient is φ = 165722160.

The previous prime is 331444313. The next prime is 331444331. The reversal of 331444324 is 423444133.

It can be written as a sum of positive squares in only one way, i.e., 283585600 + 47858724 = 16840^2 + 6918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331444292 and 331444301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41430537 + ... + 41430544.

Almost surely, 2^331444324 is an apocalyptic number.

It is an amenable number.

331444324 is a deficient number, since it is larger than the sum of its proper divisors (248583250).

331444324 is a wasteful number, since it uses less digits than its factorization.

331444324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82861085 (or 82861083 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 331444324 is about 18205.6124313356. The cubic root of 331444324 is about 692.0490264529.

Adding to 331444324 its reverse (423444133), we get a palindrome (754888457).

The spelling of 331444324 in words is "three hundred thirty-one million, four hundred forty-four thousand, three hundred twenty-four".