331013234 has 16 divisors (see below), whose sum is σ = 499649472. Its totient is φ = 164467248.

The previous prime is 331013227. The next prime is 331013237. The reversal of 331013234 is 432310133.

It is a super-2 number, since 2×331013234² = 219139522166277512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331013237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294197 + ... + 295319.

It is an arithmetic number, because the mean of its divisors is an integer number (31228092).

Almost surely, 2^331013234 is an apocalyptic number.

331013234 is a deficient number, since it is larger than the sum of its proper divisors (168636238).

331013234 is a wasteful number, since it uses less digits than its factorization.

331013234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 331013234 is about 18193.7690982380. The cubic root of 331013234 is about 691.7488605536.

Adding to 331013234 its reverse (432310133), we get a palindrome (763323367).

The spelling of 331013234 in words is "three hundred thirty-one million, thirteen thousand, two hundred thirty-four".