231110310311231 has 8 divisors (see below), whose sum is σ = 248892865717440. Its totient is φ = 213328446223392.

The previous prime is 231110310311197. The next prime is 231110310311249. The reversal of 231110310311231 is 132113013011132.

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 231110310311231 - 2¹⁰ = 231110310310207 is a prime.

It is a super-2 number, since 2×231110310311231² (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 = 231110310311197 and 231110310311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231110310311131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172135160 + ... + 173472573.

It is an arithmetic number, because the mean of its divisors is an integer number (31111608214680).

Almost surely, 2^{231110310311231} is an apocalyptic number.

231110310311231 is a deficient number, since it is larger than the sum of its proper divisors (17782555406209).

231110310311231 is a wasteful number, since it uses less digits than its factorization.

231110310311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345659185.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 231110310311231 its reverse (132113013011132), we get a palindrome (363223323322363).

The spelling of 231110310311231 in words is "two hundred thirty-one trillion, one hundred ten billion, three hundred ten million, three hundred eleven thousand, two hundred thirty-one".