231228326 has 16 divisors (see below), whose sum is σ = 399288096. Its totient is φ = 98373696.

The previous prime is 231228317. The next prime is 231228331. The reversal of 231228326 is 623822132.

231228326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58361 + ... + 62196.

It is an arithmetic number, because the mean of its divisors is an integer number (24955506).

Almost surely, 2^231228326 is an apocalyptic number.

231228326 is a deficient number, since it is larger than the sum of its proper divisors (168059770).

231228326 is a wasteful number, since it uses less digits than its factorization.

231228326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120703.

The product of its digits is 6912, while the sum is 29.

The square root of 231228326 is about 15206.1936723166. The cubic root of 231228326 is about 613.7813362630.

The spelling of 231228326 in words is "two hundred thirty-one million, two hundred twenty-eight thousand, three hundred twenty-six".