201331012230 has 48 divisors (see below), whose sum is σ = 523780783344. Its totient is φ = 53655433920.

The previous prime is 201331012219. The next prime is 201331012249. The reversal of 201331012230 is 32210133102.

201331012230 is a `hidden beast` number, since 201 + 3 + 310 + 122 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 535936 + ... + 830595.

It is an arithmetic number, because the mean of its divisors is an integer number (10912099653).

Almost surely, 2^201331012230 is an apocalyptic number.

201331012230 is an abundant number, since it is smaller than the sum of its proper divisors (322449771114).

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

201331012230 is a wasteful number, since it uses less digits than its factorization.

201331012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368181 (or 1368178 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201331012230 its reverse (32210133102), we get a palindrome (233541145332).

The spelling of 201331012230 in words is "two hundred one billion, three hundred thirty-one million, twelve thousand, two hundred thirty".