331244434 has 4 divisors (see below), whose sum is σ = 496866654. Its totient is φ = 165622216.

The previous prime is 331244399. The next prime is 331244483. The reversal of 331244434 is 434442133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434442133 = 223 ⋅1948171.

It can be written as a sum of positive squares in only one way, i.e., 228161025 + 103083409 = 15105^2 + 10153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82811107 + ... + 82811110.

Almost surely, 2^331244434 is an apocalyptic number.

331244434 is a deficient number, since it is larger than the sum of its proper divisors (165622220).

331244434 is a wasteful number, since it uses less digits than its factorization.

331244434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165622219.

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

The square root of 331244434 is about 18200.1218127792. The cubic root of 331244434 is about 691.9098763872.

Adding to 331244434 its reverse (434442133), we get a palindrome (765686567).

The spelling of 331244434 in words is "three hundred thirty-one million, two hundred forty-four thousand, four hundred thirty-four".