2002031117 has 2 divisors, whose sum is σ = 2002031118. Its totient is φ = 2002031116.

The previous prime is 2002031099. The next prime is 2002031123. The reversal of 2002031117 is 7111302002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114825321 + 887205796 = 33389^2 + 29786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002031117 - 2¹⁴ = 2002014733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002031095 and 2002031104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002031147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001015558 + 1001015559.

It is an arithmetic number, because the mean of its divisors is an integer number (1001015559).

Almost surely, 2^2002031117 is an apocalyptic number.

It is an amenable number.

2002031117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002031117 is an equidigital number, since it uses as much as digits as its factorization.

2002031117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 2002031117 is about 44744.0623658603. The cubic root of 2002031117 is about 1260.3474134389.

Adding to 2002031117 its reverse (7111302002), we get a palindrome (9113333119).

The spelling of 2002031117 in words is "two billion, two million, thirty-one thousand, one hundred seventeen".