31013221200201 has 24 divisors (see below), whose sum is σ = 46008151310784. Its totient is φ = 20116443584160.

The previous prime is 31013221200179. The next prime is 31013221200211. The reversal of 31013221200201 is 10200212231013.

31013221200201 is a `hidden beast` number, since 31 + 0 + 13 + 221 + 200 + 201 = 666.

It is not a de Polignac number, because 31013221200201 - 2³³ = 31004631265609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31013221200211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29834286 + ... + 30856296.

It is an arithmetic number, because the mean of its divisors is an integer number (1917006304616).

Almost surely, 2^{31013221200201} is an apocalyptic number.

It is an amenable number.

31013221200201 is a deficient number, since it is larger than the sum of its proper divisors (14994930110583).

31013221200201 is a wasteful number, since it uses less digits than its factorization.

31013221200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113181 (or 1113178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31013221200201 its reverse (10200212231013), we get a palindrome (41213433431214).

The spelling of 31013221200201 in words is "thirty-one trillion, thirteen billion, two hundred twenty-one million, two hundred thousand, two hundred one".