201331012302 has 48 divisors (see below), whose sum is σ = 520209331200. Its totient is φ = 55022139216.

The previous prime is 201331012261. The next prime is 201331012403. The reversal of 201331012302 is 203210133102.

201331012302 is a `hidden beast` number, since 20 + 1 + 331 + 0 + 12 + 302 = 666.

201331012302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34733302 + ... + 34739097.

It is an arithmetic number, because the mean of its divisors is an integer number (10837694400).

Almost surely, 2^201331012302 is an apocalyptic number.

201331012302 is an abundant number, since it is smaller than the sum of its proper divisors (318878318898).

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

201331012302 is a wasteful number, since it uses less digits than its factorization.

201331012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69472437 (or 69472434 counting only the distinct ones).

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

Adding to 201331012302 its reverse (203210133102), we get a palindrome (404541145404).

The spelling of 201331012302 in words is "two hundred one billion, three hundred thirty-one million, twelve thousand, three hundred two".