2002320231231 has 16 divisors (see below), whose sum is σ = 2755986759680. Its totient is φ = 1291770214560.

The previous prime is 2002320231179. The next prime is 2002320231253. The reversal of 2002320231231 is 1321320232002.

It is a happy number.

It is not a de Polignac number, because 2002320231231 - 2⁶ = 2002320231167 is a prime.

It is a super-2 number, since 2×2002320231231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002320231198 and 2002320231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002320233231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123385 + ... + 2917773.

It is an arithmetic number, because the mean of its divisors is an integer number (172249172480).

Almost surely, 2^{2002320231231} is an apocalyptic number.

2002320231231 is a deficient number, since it is larger than the sum of its proper divisors (753666528449).

2002320231231 is a wasteful number, since it uses less digits than its factorization.

2002320231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821526.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2002320231231 its reverse (1321320232002), we get a palindrome (3323640463233).

The spelling of 2002320231231 in words is "two trillion, two billion, three hundred twenty million, two hundred thirty-one thousand, two hundred thirty-one".