2117480231 has 2 divisors, whose sum is σ = 2117480232. Its totient is φ = 2117480230.

The previous prime is 2117480191. The next prime is 2117480243. The reversal of 2117480231 is 1320847112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2117480231 - 2¹⁰ = 2117479207 is a prime.

It is a super-2 number, since 2×2117480231² = 8967445057351626722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2117480194 and 2117480203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117480291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058740115 + 1058740116.

It is an arithmetic number, because the mean of its divisors is an integer number (1058740116).

Almost surely, 2^2117480231 is an apocalyptic number.

2117480231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117480231 is an equidigital number, since it uses as much as digits as its factorization.

2117480231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2117480231 is about 46016.0866545603. The cubic root of 2117480231 is about 1284.1224975973.

The spelling of 2117480231 in words is "two billion, one hundred seventeen million, four hundred eighty thousand, two hundred thirty-one".