231130302201111 has 4 divisors (see below), whose sum is σ = 308173736268152. Its totient is φ = 154086868134072.

The previous prime is 231130302200969. The next prime is 231130302201131. The reversal of 231130302201111 is 111102203031132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231130302201111 - 2²³ = 231130293812503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231130302201131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38521717033516 + ... + 38521717033521.

It is an arithmetic number, because the mean of its divisors is an integer number (77043434067038).

Almost surely, 2^{231130302201111} is an apocalyptic number.

231130302201111 is a deficient number, since it is larger than the sum of its proper divisors (77043434067041).

231130302201111 is an equidigital number, since it uses as much as digits as its factorization.

231130302201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77043434067040.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 231130302201111 its reverse (111102203031132), we get a palindrome (342232505232243).

The spelling of 231130302201111 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred two million, two hundred one thousand, one hundred eleven".