231322002 has 16 divisors (see below), whose sum is σ = 475148352. Its totient is φ = 75023280.

The previous prime is 231321997. The next prime is 231322019. The reversal of 231322002 is 200223132.

231322002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 520774 + ... + 521217.

It is an arithmetic number, because the mean of its divisors is an integer number (29696772).

Almost surely, 2^231322002 is an apocalyptic number.

231322002 is an abundant number, since it is smaller than the sum of its proper divisors (243826350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231322002 is a wasteful number, since it uses less digits than its factorization.

231322002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042033.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 231322002 is about 15209.2735526717. The cubic root of 231322002 is about 613.8642107948.

Adding to 231322002 its reverse (200223132), we get a palindrome (431545134).

The spelling of 231322002 in words is "two hundred thirty-one million, three hundred twenty-two thousand, two".