2008217131 has 2 divisors, whose sum is σ = 2008217132. Its totient is φ = 2008217130.

The previous prime is 2008217119. The next prime is 2008217137. The reversal of 2008217131 is 1317128002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2008217131 - 2⁹ = 2008216619 is a prime.

It is a super-2 number, since 2×2008217131² = 8065872090483742322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2008217096 and 2008217105.

It is not a weakly prime, because it can be changed into another prime (2008217137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004108565 + 1004108566.

It is an arithmetic number, because the mean of its divisors is an integer number (1004108566).

Almost surely, 2^2008217131 is an apocalyptic number.

2008217131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008217131 is an equidigital number, since it uses as much as digits as its factorization.

2008217131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2008217131 is about 44813.1356970253. The cubic root of 2008217131 is about 1261.6441815647.

The spelling of 2008217131 in words is "two billion, eight million, two hundred seventeen thousand, one hundred thirty-one".