2002102031231 has 2 divisors, whose sum is σ = 2002102031232. Its totient is φ = 2002102031230.

The previous prime is 2002102031227. The next prime is 2002102031239. The reversal of 2002102031231 is 1321302012002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002102031231 - 2² = 2002102031227 is a prime.

It is a super-2 number, since 2×2002102031231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002102031239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001051015615 + 1001051015616.

It is an arithmetic number, because the mean of its divisors is an integer number (1001051015616).

Almost surely, 2^{2002102031231} is an apocalyptic number.

2002102031231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002102031231 is an equidigital number, since it uses as much as digits as its factorization.

2002102031231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2002102031231 its reverse (1321302012002), we get a palindrome (3323404043233).

The spelling of 2002102031231 in words is "two trillion, two billion, one hundred two million, thirty-one thousand, two hundred thirty-one".