2231101322231 has 8 divisors (see below), whose sum is σ = 2259438753600. Its totient is φ = 2202766282080.

The previous prime is 2231101322147. The next prime is 2231101322243. The reversal of 2231101322231 is 1322231011322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231101322231 is a prime.

It is a super-3 number, since 3×2231101322231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231101322197 and 2231101322206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231101622231) 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, 1318901 + ... + 2490321.

It is an arithmetic number, because the mean of its divisors is an integer number (282429844200).

Almost surely, 2^{2231101322231} is an apocalyptic number.

2231101322231 is a deficient number, since it is larger than the sum of its proper divisors (28337431369).

2231101322231 is a wasteful number, since it uses less digits than its factorization.

2231101322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195609.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2231101322231 its reverse (1322231011322), we get a palindrome (3553332333553).

The spelling of 2231101322231 in words is "two trillion, two hundred thirty-one billion, one hundred one million, three hundred twenty-two thousand, two hundred thirty-one".