231012130111033 has 4 divisors (see below), whose sum is σ = 231012890225920. Its totient is φ = 231011369996148.

The previous prime is 231012130110961. The next prime is 231012130111093. The reversal of 231012130111033 is 330111031210132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231012130111033 - 2²¹ = 231012128013881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231012130110995 and 231012130111013.

It is not an unprimeable number, because it can be changed into a prime (231012130111093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379601385 + ... + 380209462.

It is an arithmetic number, because the mean of its divisors is an integer number (57753222556480).

Almost surely, 2^{231012130111033} is an apocalyptic number.

It is an amenable number.

231012130111033 is a deficient number, since it is larger than the sum of its proper divisors (760114887).

231012130111033 is an equidigital number, since it uses as much as digits as its factorization.

231012130111033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760114886.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 231012130111033 its reverse (330111031210132), we get a palindrome (561123161321165).

The spelling of 231012130111033 in words is "two hundred thirty-one trillion, twelve billion, one hundred thirty million, one hundred eleven thousand, thirty-three".