231343200004 has 36 divisors (see below), whose sum is σ = 471006325020. Its totient is φ = 99134945280.

The previous prime is 231343199981. The next prime is 231343200013. The reversal of 231343200004 is 400002343132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199889468100 + 31453731904 = 447090^2 + 177352^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1635124 + ... + 1770964.

Almost surely, 2^231343200004 is an apocalyptic number.

It is an amenable number.

231343200004 is an abundant number, since it is smaller than the sum of its proper divisors (239663125016).

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

231343200004 is a wasteful number, since it uses less digits than its factorization.

231343200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144548 (or 144539 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 231343200004 its reverse (400002343132), we get a palindrome (631345543136).

The spelling of 231343200004 in words is "two hundred thirty-one billion, three hundred forty-three million, two hundred thousand, four".