231011213323333 has 2 divisors, whose sum is σ = 231011213323334. Its totient is φ = 231011213323332.

The previous prime is 231011213323321. The next prime is 231011213323367. The reversal of 231011213323333 is 333323312110132.

It is a happy number.

231011213323333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220422066037924 + 10589147285409 = 14846618^2 + 3254097^2 .

It is a cyclic number.

It is not a de Polignac number, because 231011213323333 - 2⁵ = 231011213323301 is a prime.

It is a super-2 number, since 2×231011213323333² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231011213323295 and 231011213323304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231011213323733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505606661666 + 115505606661667.

It is an arithmetic number, because the mean of its divisors is an integer number (115505606661667).

Almost surely, 2^{231011213323333} is an apocalyptic number.

It is an amenable number.

231011213323333 is a deficient number, since it is larger than the sum of its proper divisors (1).

231011213323333 is an equidigital number, since it uses as much as digits as its factorization.

231011213323333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 231011213323333 its reverse (333323312110132), we get a palindrome (564334525433465).

The spelling of 231011213323333 in words is "two hundred thirty-one trillion, eleven billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred thirty-three".