231013321001233 has 32 divisors (see below), whose sum is σ = 241673093775360. Its totient is φ = 220571388645120.

The previous prime is 231013321001209. The next prime is 231013321001237. The reversal of 231013321001233 is 332100123310132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231013321001233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231013321001198 and 231013321001207.

It is not an unprimeable number, because it can be changed into a prime (231013321001237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123759785 + ... + 1123965337.

It is an arithmetic number, because the mean of its divisors is an integer number (7552284180480).

Almost surely, 2^{231013321001233} is an apocalyptic number.

It is an amenable number.

231013321001233 is a deficient number, since it is larger than the sum of its proper divisors (10659772774127).

231013321001233 is a wasteful number, since it uses less digits than its factorization.

231013321001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206989.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231013321001233 its reverse (332100123310132), we get a palindrome (563113444311365).

The spelling of 231013321001233 in words is "two hundred thirty-one trillion, thirteen billion, three hundred twenty-one million, one thousand, two hundred thirty-three".