130216231 has 2 divisors, whose sum is σ = 130216232. Its totient is φ = 130216230.

The previous prime is 130216217. The next prime is 130216241. The reversal of 130216231 is 132612031.

It is a strong prime.

It is an emirp because it is prime and its reverse (132612031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130216231 - 2⁷ = 130216103 is a prime.

It is a super-2 number, since 2×130216231² = 33912533631690722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130216199 and 130216208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130216241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65108115 + 65108116.

It is an arithmetic number, because the mean of its divisors is an integer number (65108116).

Almost surely, 2^130216231 is an apocalyptic number.

130216231 is a deficient number, since it is larger than the sum of its proper divisors (1).

130216231 is an equidigital number, since it uses as much as digits as its factorization.

130216231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 130216231 is about 11411.2326678585. The cubic root of 130216231 is about 506.8604136008.

Adding to 130216231 its reverse (132612031), we get a palindrome (262828262).

The spelling of 130216231 in words is "one hundred thirty million, two hundred sixteen thousand, two hundred thirty-one".