2216163240331 has 2 divisors, whose sum is σ = 2216163240332. Its totient is φ = 2216163240330.

The previous prime is 2216163240311. The next prime is 2216163240371. The reversal of 2216163240331 is 1330423616122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2216163240331 - 2¹¹ = 2216163238283 is a prime.

It is a super-2 number, since 2×2216163240331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2216163240311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108081620165 + 1108081620166.

It is an arithmetic number, because the mean of its divisors is an integer number (1108081620166).

Almost surely, 2^{2216163240331} is an apocalyptic number.

2216163240331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216163240331 is an equidigital number, since it uses as much as digits as its factorization.

2216163240331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 2216163240331 its reverse (1330423616122), we get a palindrome (3546586856453).

The spelling of 2216163240331 in words is "two trillion, two hundred sixteen billion, one hundred sixty-three million, two hundred forty thousand, three hundred thirty-one".