2231000103217 has 2 divisors, whose sum is σ = 2231000103218. Its totient is φ = 2231000103216.

The previous prime is 2231000103173. The next prime is 2231000103229. The reversal of 2231000103217 is 7123010001322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2031534251761 + 199465851456 = 1425319^2 + 446616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231000103217 is a prime.

It is a super-3 number, since 3×2231000103217³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231000103287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115500051608 + 1115500051609.

It is an arithmetic number, because the mean of its divisors is an integer number (1115500051609).

Almost surely, 2^{2231000103217} is an apocalyptic number.

It is an amenable number.

2231000103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231000103217 is an equidigital number, since it uses as much as digits as its factorization.

2231000103217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 2231000103217 its reverse (7123010001322), we get a palindrome (9354010104539).

The spelling of 2231000103217 in words is "two trillion, two hundred thirty-one billion, one hundred three thousand, two hundred seventeen".