231233002311231 has 12 divisors (see below), whose sum is σ = 334004320580008. Its totient is φ = 154154829480624.

The previous prime is 231233002311167. The next prime is 231233002311287. The reversal of 231233002311231 is 132113200332132.

231233002311231 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 3 + 300 + 231 + 123 + 1 = 666.

It is not a de Polignac number, because 231233002311231 - 2⁶ = 231233002311167 is a prime.

It is a super-2 number, since 2×231233002311231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231233002311195 and 231233002311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231233002311131) 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, 39207865 + ... + 44718258.

Almost surely, 2^{231233002311231} is an apocalyptic number.

231233002311231 is a deficient number, since it is larger than the sum of its proper divisors (102771318268777).

231233002311231 is a wasteful number, since it uses less digits than its factorization.

231233002311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84232262 (or 84232259 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231233002311231 its reverse (132113200332132), we get a palindrome (363346202643363).

The spelling of 231233002311231 in words is "two hundred thirty-one trillion, two hundred thirty-three billion, two million, three hundred eleven thousand, two hundred thirty-one".