231130232101211 has 2 divisors, whose sum is σ = 231130232101212. Its totient is φ = 231130232101210.

The previous prime is 231130232101163. The next prime is 231130232101229. The reversal of 231130232101211 is 112101232031132.

It is a happy number.

231130232101211 is digitally balanced in base 2, 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 231130232101211 - 2⁶ = 231130232101147 is a prime.

It is not a weakly prime, because it can be changed into another prime (231130232701211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115565116050605 + 115565116050606.

It is an arithmetic number, because the mean of its divisors is an integer number (115565116050606).

Almost surely, 2^{231130232101211} is an apocalyptic number.

231130232101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

231130232101211 is an equidigital number, since it uses as much as digits as its factorization.

231130232101211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 231130232101211 its reverse (112101232031132), we get a palindrome (343231464132343).

The spelling of 231130232101211 in words is "two hundred thirty-one trillion, one hundred thirty billion, two hundred thirty-two million, one hundred one thousand, two hundred eleven".