331024442 has 16 divisors (see below), whose sum is σ = 600851520. Its totient is φ = 133522368.

The previous prime is 331024439. The next prime is 331024489. The reversal of 331024442 is 244420133.

It is a super-2 number, since 2×331024442² = 219154362402822728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695192 + ... + 695667.

It is an arithmetic number, because the mean of its divisors is an integer number (37553220).

Almost surely, 2^331024442 is an apocalyptic number.

331024442 is a deficient number, since it is larger than the sum of its proper divisors (269827078).

331024442 is a wasteful number, since it uses less digits than its factorization.

331024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390885.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 331024442 is about 18194.0771131706. The cubic root of 331024442 is about 691.7566679290.

Adding to 331024442 its reverse (244420133), we get a palindrome (575444575).

The spelling of 331024442 in words is "three hundred thirty-one million, twenty-four thousand, four hundred forty-two".