1122031231231 has 2 divisors, whose sum is σ = 1122031231232. Its totient is φ = 1122031231230.

The previous prime is 1122031231229. The next prime is 1122031231249. The reversal of 1122031231231 is 1321321302211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122031231231 - 2¹ = 1122031231229 is a prime.

It is a super-3 number, since 3×1122031231231³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1122031231229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122031231931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561015615615 + 561015615616.

It is an arithmetic number, because the mean of its divisors is an integer number (561015615616).

Almost surely, 2^{1122031231231} is an apocalyptic number.

1122031231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122031231231 is an equidigital number, since it uses as much as digits as its factorization.

1122031231231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1122031231231 its reverse (1321321302211), we get a palindrome (2443352533442).

The spelling of 1122031231231 in words is "one trillion, one hundred twenty-two billion, thirty-one million, two hundred thirty-one thousand, two hundred thirty-one".