2002101321231 has 144 divisors (see below), whose sum is σ = 3432320892000. Its totient is φ = 1120181736960.

The previous prime is 2002101321223. The next prime is 2002101321247. The reversal of 2002101321231 is 1321231012002.

2002101321231 is a `hidden beast` number, since 200 + 210 + 1 + 3 + 21 + 231 = 666.

It is not a de Polignac number, because 2002101321231 - 2³ = 2002101321223 is a prime.

It is a super-2 number, since 2×2002101321231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002101321251) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 163390701 + ... + 163402953.

It is an arithmetic number, because the mean of its divisors is an integer number (23835561750).

Almost surely, 2^{2002101321231} is an apocalyptic number.

2002101321231 is a deficient number, since it is larger than the sum of its proper divisors (1430219570769).

2002101321231 is a wasteful number, since it uses less digits than its factorization.

2002101321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12502 (or 12488 counting only the distinct ones).

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

Adding to 2002101321231 its reverse (1321231012002), we get a palindrome (3323332333233).

The spelling of 2002101321231 in words is "two trillion, two billion, one hundred one million, three hundred twenty-one thousand, two hundred thirty-one".