232311131310213 has 12 divisors (see below), whose sum is σ = 335560678359660. Its totient is φ = 154874015837376.

The previous prime is 232311131310211. The next prime is 232311131310229. The reversal of 232311131310213 is 312013131113232.

232311131310213 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 1 + 1 + 131 + 310 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 183302408922084 + 49008722388129 = 13538922^2 + 7000623^2 .

It is not a de Polignac number, because 232311131310213 - 2¹ = 232311131310211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232311131310211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20911945 + ... + 30032177.

It is an arithmetic number, because the mean of its divisors is an integer number (27963389863305).

Almost surely, 2^{232311131310213} is an apocalyptic number.

It is an amenable number.

232311131310213 is a deficient number, since it is larger than the sum of its proper divisors (103249547049447).

232311131310213 is a wasteful number, since it uses less digits than its factorization.

232311131310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11950468 (or 11950465 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 232311131310213 its reverse (312013131113232), we get a palindrome (544324262423445).

The spelling of 232311131310213 in words is "two hundred thirty-two trillion, three hundred eleven billion, one hundred thirty-one million, three hundred ten thousand, two hundred thirteen".