231003111111231 has 8 divisors (see below), whose sum is σ = 308005542281520. Its totient is φ = 154001377007552.

The previous prime is 231003111111211. The next prime is 231003111111359. The reversal of 231003111111231 is 132111111300132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231003111111231 - 2⁶ = 231003111111167 is a prime.

It is a super-2 number, since 2×231003111111231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231003111111198 and 231003111111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231003111111211) 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 7 ways as a sum of consecutive naturals, for example, 173492910 + ... + 174819323.

It is an arithmetic number, because the mean of its divisors is an integer number (38500692785190).

Almost surely, 2^{231003111111231} is an apocalyptic number.

231003111111231 is a deficient number, since it is larger than the sum of its proper divisors (77002431170289).

231003111111231 is a wasteful number, since it uses less digits than its factorization.

231003111111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348533305.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 231003111111231 its reverse (132111111300132), we get a palindrome (363114222411363).

The spelling of 231003111111231 in words is "two hundred thirty-one trillion, three billion, one hundred eleven million, one hundred eleven thousand, two hundred thirty-one".