231201430250 has 32 divisors (see below), whose sum is σ = 494638949376. Its totient is φ = 79269061200.

The previous prime is 231201430247. The next prime is 231201430253. The reversal of 231201430250 is 52034102132.

231201430250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231201430247) and next prime (231201430253).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231201430253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66055802 + ... + 66059301.

It is an arithmetic number, because the mean of its divisors is an integer number (15457467168).

Almost surely, 2^231201430250 is an apocalyptic number.

231201430250 is an abundant number, since it is smaller than the sum of its proper divisors (263437519126).

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

231201430250 is a wasteful number, since it uses less digits than its factorization.

231201430250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132115127 (or 132115117 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 231201430250 its reverse (52034102132), we get a palindrome (283235532382).

The spelling of 231201430250 in words is "two hundred thirty-one billion, two hundred one million, four hundred thirty thousand, two hundred fifty".