331143434 has 8 divisors (see below), whose sum is σ = 496919748. Its totient is φ = 165503520.

The previous prime is 331143433. The next prime is 331143467. The reversal of 331143434 is 434341133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 235162225 + 95981209 = 15335^2 + 9797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331143433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27797 + ... + 37880.

Almost surely, 2^331143434 is an apocalyptic number.

331143434 is a deficient number, since it is larger than the sum of its proper divisors (165776314).

331143434 is a wasteful number, since it uses less digits than its factorization.

331143434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68200.

The product of its digits is 5184, while the sum is 26.

The square root of 331143434 is about 18197.3468945338. The cubic root of 331143434 is about 691.8395456443.

Adding to 331143434 its reverse (434341133), we get a palindrome (765484567).

The spelling of 331143434 in words is "three hundred thirty-one million, one hundred forty-three thousand, four hundred thirty-four".