201020310331 has 8 divisors (see below), whose sum is σ = 208725109200. Its totient is φ = 193367049120.

The previous prime is 201020310229. The next prime is 201020310341. The reversal of 201020310331 is 133013020102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201020310331 - 2¹⁹ = 201019786043 is a prime.

It is a super-2 number, since 2×201020310331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020310341) 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 7 ways as a sum of consecutive naturals, for example, 12876465 + ... + 12892066.

It is an arithmetic number, because the mean of its divisors is an integer number (26090638650).

Almost surely, 2^201020310331 is an apocalyptic number.

201020310331 is a deficient number, since it is larger than the sum of its proper divisors (7704798869).

201020310331 is a wasteful number, since it uses less digits than its factorization.

201020310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25768829.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 201020310331 its reverse (133013020102), we get a palindrome (334033330433).

The spelling of 201020310331 in words is "two hundred one billion, twenty million, three hundred ten thousand, three hundred thirty-one".