2002131331 has 2 divisors, whose sum is σ = 2002131332. Its totient is φ = 2002131330.

The previous prime is 2002131283. The next prime is 2002131337. The reversal of 2002131331 is 1331312002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002131331 - 2¹³ = 2002123139 is a prime.

It is a super-2 number, since 2×2002131331² = 8017059733143663122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002131337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001065665 + 1001065666.

It is an arithmetic number, because the mean of its divisors is an integer number (1001065666).

Almost surely, 2^2002131331 is an apocalyptic number.

2002131331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002131331 is an equidigital number, since it uses as much as digits as its factorization.

2002131331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2002131331 is about 44745.1822099318. The cubic root of 2002131331 is about 1260.3684424741.

Adding to 2002131331 its reverse (1331312002), we get a palindrome (3333443333).

The spelling of 2002131331 in words is "two billion, two million, one hundred thirty-one thousand, three hundred thirty-one".