2231103111231 has 32 divisors (see below), whose sum is σ = 3108307456512. Its totient is φ = 1420825190400.

The previous prime is 2231103111229. The next prime is 2231103111269. The reversal of 2231103111231 is 1321113011322.

It is not a de Polignac number, because 2231103111231 - 2¹ = 2231103111229 is a prime.

It is a super-3 number, since 3×2231103111231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231103111198 and 2231103111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231103111271) 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, 209468256 + ... + 209478906.

It is an arithmetic number, because the mean of its divisors is an integer number (97134608016).

Almost surely, 2^{2231103111231} is an apocalyptic number.

2231103111231 is a deficient number, since it is larger than the sum of its proper divisors (877204345281).

2231103111231 is a wasteful number, since it uses less digits than its factorization.

2231103111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2231103111231 its reverse (1321113011322), we get a palindrome (3552216122553).

Subtracting from 2231103111231 its reverse (1321113011322), we obtain a palindrome (909990099909).

The spelling of 2231103111231 in words is "two trillion, two hundred thirty-one billion, one hundred three million, one hundred eleven thousand, two hundred thirty-one".