2231120303117 has 2 divisors, whose sum is σ = 2231120303118. Its totient is φ = 2231120303116.

The previous prime is 2231120303089. The next prime is 2231120303213. The reversal of 2231120303117 is 7113030211322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229425251876 + 1695051241 = 1493126^2 + 41171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231120303117 - 2³² = 2226825335821 is a prime.

It is a super-3 number, since 3×2231120303117³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231120303017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115560151558 + 1115560151559.

It is an arithmetic number, because the mean of its divisors is an integer number (1115560151559).

Almost surely, 2^{2231120303117} is an apocalyptic number.

It is an amenable number.

2231120303117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231120303117 is an equidigital number, since it uses as much as digits as its factorization.

2231120303117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 2231120303117 its reverse (7113030211322), we get a palindrome (9344150514439).

The spelling of 2231120303117 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, three hundred three thousand, one hundred seventeen".