2002020231231 has 40 divisors (see below), whose sum is σ = 3052074785760. Its totient is φ = 1307359579968.

The previous prime is 2002020231229. The next prime is 2002020231307. The reversal of 2002020231231 is 1321320202002.

2002020231231 is a `hidden beast` number, since 2 + 0 + 0 + 202 + 0 + 231 + 231 = 666.

It is not a de Polignac number, because 2002020231231 - 2¹ = 2002020231229 is a prime.

It is a super-2 number, since 2×2002020231231² (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 (2002020233231) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2251230 + ... + 3011988.

It is an arithmetic number, because the mean of its divisors is an integer number (76301869644).

Almost surely, 2^{2002020231231} is an apocalyptic number.

2002020231231 is a deficient number, since it is larger than the sum of its proper divisors (1050054554529).

2002020231231 is an equidigital number, since it uses as much as digits as its factorization.

2002020231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761437 (or 761428 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2002020231231 its reverse (1321320202002), we get a palindrome (3323340433233).

The spelling of 2002020231231 in words is "two trillion, two billion, twenty million, two hundred thirty-one thousand, two hundred thirty-one".