231023313311033 has 32 divisors (see below), whose sum is σ = 235113764175360. Its totient is φ = 226973270361600.

The previous prime is 231023313311023. The next prime is 231023313311041. The reversal of 231023313311033 is 330113313320132.

It is a cyclic number.

It is not a de Polignac number, because 231023313311033 - 2⁴ = 231023313311017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231023313310987 and 231023313311005.

It is not an unprimeable number, because it can be changed into a prime (231023313311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39948693860 + ... + 39948699642.

It is an arithmetic number, because the mean of its divisors is an integer number (7347305130480).

Almost surely, 2^{231023313311033} is an apocalyptic number.

It is an amenable number.

231023313311033 is a deficient number, since it is larger than the sum of its proper divisors (4090450864327).

231023313311033 is a wasteful number, since it uses less digits than its factorization.

231023313311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9737.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 231023313311033 its reverse (330113313320132), we get a palindrome (561136626631165).

Subtracting 231023313311033 from its reverse (330113313320132), we obtain a palindrome (99090000009099).

The spelling of 231023313311033 in words is "two hundred thirty-one trillion, twenty-three billion, three hundred thirteen million, three hundred eleven thousand, thirty-three".