2331121143317 has 2 divisors, whose sum is σ = 2331121143318. Its totient is φ = 2331121143316.

The previous prime is 2331121143287. The next prime is 2331121143341. The reversal of 2331121143317 is 7133411211332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1690938730321 + 640182412996 = 1300361^2 + 800114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331121143317 - 2²² = 2331116949013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331121143017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165560571658 + 1165560571659.

It is an arithmetic number, because the mean of its divisors is an integer number (1165560571659).

Almost surely, 2^{2331121143317} is an apocalyptic number.

It is an amenable number.

2331121143317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331121143317 is an equidigital number, since it uses as much as digits as its factorization.

2331121143317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

Adding to 2331121143317 its reverse (7133411211332), we get a palindrome (9464532354649).

The spelling of 2331121143317 in words is "two trillion, three hundred thirty-one billion, one hundred twenty-one million, one hundred forty-three thousand, three hundred seventeen".