5205115231 has 2 divisors, whose sum is σ = 5205115232. Its totient is φ = 5205115230.

The previous prime is 5205115163. The next prime is 5205115247. The reversal of 5205115231 is 1325115025.

5205115231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5205115231 - 2⁷ = 5205115103 is a prime.

It is a super-2 number, since 2×5205115231² = 54186449135976366722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5205115196 and 5205115205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5205115031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602557615 + 2602557616.

It is an arithmetic number, because the mean of its divisors is an integer number (2602557616).

Almost surely, 2^5205115231 is an apocalyptic number.

5205115231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205115231 is an equidigital number, since it uses as much as digits as its factorization.

5205115231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 5205115231 is about 72146.4845366703. The cubic root of 5205115231 is about 1733.0461031167.

The spelling of 5205115231 in words is "five billion, two hundred five million, one hundred fifteen thousand, two hundred thirty-one".