31323312033201 has 6 divisors (see below), whose sum is σ = 45244784047970. Its totient is φ = 20882208022128.

The previous prime is 31323312033199. The next prime is 31323312033239. The reversal of 31323312033201 is 10233021332313.

31323312033201 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 331 + 2 + 0 + 3 + 320 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30433714088976 + 889597944225 = 5516676^2 + 943185^2 .

It is not a de Polignac number, because 31323312033201 - 2¹ = 31323312033199 is a prime.

It is a super-2 number, since 2×31323312033201² (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 (31323312033001) 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 5 ways as a sum of consecutive naturals, for example, 1740184001836 + ... + 1740184001853.

Almost surely, 2^{31323312033201} is an apocalyptic number.

It is an amenable number.

31323312033201 is a deficient number, since it is larger than the sum of its proper divisors (13921472014769).

31323312033201 is a wasteful number, since it uses less digits than its factorization.

31323312033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480368003695 (or 3480368003692 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31323312033201 its reverse (10233021332313), we get a palindrome (41556333365514).

The spelling of 31323312033201 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred twelve million, thirty-three thousand, two hundred one".