231422201000 has 32 divisors (see below), whose sum is σ = 541527952680. Its totient is φ = 92568880000.

The previous prime is 231422200991. The next prime is 231422201009. The reversal of 231422201000 is 102224132.

231422201000 is digitally balanced in base 2, 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 (231422200991) and next prime (231422201009).

It can be written as a sum of positive squares in 4 ways, for example, as 87719038276 + 143703162724 = 296174^2 + 379082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231422201000.

It is not an unprimeable number, because it can be changed into a prime (231422201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115710101 + ... + 115712100.

Almost surely, 2^231422201000 is an apocalyptic number.

231422201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231422201000 is an abundant number, since it is smaller than the sum of its proper divisors (310105751680).

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

231422201000 is a wasteful number, since it uses less digits than its factorization.

231422201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231422222 (or 231422208 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 231422201000 its reverse (102224132), we get a palindrome (231524425132).

The spelling of 231422201000 in words is "two hundred thirty-one billion, four hundred twenty-two million, two hundred one thousand".