231232123123331 has 18 divisors (see below), whose sum is σ = 257263349340900. Its totient is φ = 207678357368680.

The previous prime is 231232123123321. The next prime is 231232123123333. The reversal of 231232123123331 is 133321321232132.

It is not a de Polignac number, because 231232123123331 - 2⁴⁶ = 160863378945667 is a prime.

It is a super-2 number, since 2×231232123123331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231232123123333) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 137866481 + ... + 139533618.

Almost surely, 2^{231232123123331} is an apocalyptic number.

231232123123331 is a deficient number, since it is larger than the sum of its proper divisors (26031226217569).

231232123123331 is an equidigital number, since it uses as much as digits as its factorization.

231232123123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277400287 (or 277400193 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

Adding to 231232123123331 its reverse (133321321232132), we get a palindrome (364553444355463).

The spelling of 231232123123331 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred thirty-one".