231444334 has 16 divisors (see below), whose sum is σ = 379956096. Its totient is φ = 104860600.

The previous prime is 231444319. The next prime is 231444337. The reversal of 231444334 is 433444132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231444337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10072 + ... + 23755.

It is an arithmetic number, because the mean of its divisors is an integer number (23747256).

Almost surely, 2^231444334 is an apocalyptic number.

231444334 is a deficient number, since it is larger than the sum of its proper divisors (148511762).

231444334 is a wasteful number, since it uses less digits than its factorization.

231444334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34151.

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

The square root of 231444334 is about 15213.2946464597. The cubic root of 231444334 is about 613.9724034183.

Adding to 231444334 its reverse (433444132), we get a palindrome (664888466).

The spelling of 231444334 in words is "two hundred thirty-one million, four hundred forty-four thousand, three hundred thirty-four".