201022320031 has 16 divisors (see below), whose sum is σ = 223972781760. Its totient is φ = 179142727680.

The previous prime is 201022320011. The next prime is 201022320043. The reversal of 201022320031 is 130023220102.

It is a cyclic number.

It is not a de Polignac number, because 201022320031 - 2¹⁹ = 201021795743 is a prime.

It is a super-2 number, since 2×201022320031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201022319987 and 201022320014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022320011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104191 + ... + 5143423.

It is an arithmetic number, because the mean of its divisors is an integer number (13998298860).

Almost surely, 2^201022320031 is an apocalyptic number.

201022320031 is a deficient number, since it is larger than the sum of its proper divisors (22950461729).

201022320031 is a wasteful number, since it uses less digits than its factorization.

201022320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52866.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201022320031 its reverse (130023220102), we get a palindrome (331045540133).

The spelling of 201022320031 in words is "two hundred one billion, twenty-two million, three hundred twenty thousand, thirty-one".