31322020211201 has 8 divisors (see below), whose sum is σ = 31784015663400. Its totient is φ = 30863199985920.

The previous prime is 31322020211117. The next prime is 31322020211221. The reversal of 31322020211201 is 10211202022313.

It can be written as a sum of positive squares in 4 ways, for example, as 1158473352976 + 30163546858225 = 1076324^2 + 5492135^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31322020211201 - 2²² = 31322016016897 is a prime.

It is a super-2 number, since 2×31322020211201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322020211221) 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, 793786856 + ... + 793826313.

It is an arithmetic number, because the mean of its divisors is an integer number (3973001957925).

Almost surely, 2^{31322020211201} is an apocalyptic number.

It is an amenable number.

31322020211201 is a deficient number, since it is larger than the sum of its proper divisors (461995452199).

31322020211201 is a wasteful number, since it uses less digits than its factorization.

31322020211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587613459.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31322020211201 its reverse (10211202022313), we get a palindrome (41533222233514).

The spelling of 31322020211201 in words is "thirty-one trillion, three hundred twenty-two billion, twenty million, two hundred eleven thousand, two hundred one".