201203021331 has 64 divisors (see below), whose sum is σ = 340163712000. Its totient is φ = 116440201728.

The previous prime is 201203021317. The next prime is 201203021377. The reversal of 201203021331 is 133120302102.

201203021331 is a `hidden beast` number, since 20 + 12 + 0 + 302 + 1 + 331 = 666.

201203021331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201203021331 - 2⁶ = 201203021267 is a prime.

It is a super-2 number, since 2×201203021331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201203021311) 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 63 ways as a sum of consecutive naturals, for example, 7785970 + ... + 7811768.

It is an arithmetic number, because the mean of its divisors is an integer number (5315058000).

Almost surely, 2^201203021331 is an apocalyptic number.

201203021331 is a deficient number, since it is larger than the sum of its proper divisors (138960690669).

201203021331 is a wasteful number, since it uses less digits than its factorization.

201203021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145 (or 27139 counting only the distinct ones).

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

Adding to 201203021331 its reverse (133120302102), we get a palindrome (334323323433).

The spelling of 201203021331 in words is "two hundred one billion, two hundred three million, twenty-one thousand, three hundred thirty-one".