2031340117 has 2 divisors, whose sum is σ = 2031340118. Its totient is φ = 2031340116.

The previous prime is 2031340099. The next prime is 2031340123. The reversal of 2031340117 is 7110431302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1977669841 + 53670276 = 44471^2 + 7326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031340117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031340127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015670058 + 1015670059.

It is an arithmetic number, because the mean of its divisors is an integer number (1015670059).

Almost surely, 2^2031340117 is an apocalyptic number.

It is an amenable number.

2031340117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031340117 is an equidigital number, since it uses as much as digits as its factorization.

2031340117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2031340117 is about 45070.3906905631. The cubic root of 2031340117 is about 1266.4679832954.

Adding to 2031340117 its reverse (7110431302), we get a palindrome (9141771419).

The spelling of 2031340117 in words is "two billion, thirty-one million, three hundred forty thousand, one hundred seventeen".