2211312030331 has 2 divisors, whose sum is σ = 2211312030332. Its totient is φ = 2211312030330.

The previous prime is 2211312030299. The next prime is 2211312030359. The reversal of 2211312030331 is 1330302131122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2211312030331 - 2⁵ = 2211312030299 is a prime.

It is a super-2 number, since 2×2211312030331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2211312030731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105656015165 + 1105656015166.

It is an arithmetic number, because the mean of its divisors is an integer number (1105656015166).

Almost surely, 2^{2211312030331} is an apocalyptic number.

2211312030331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211312030331 is an equidigital number, since it uses as much as digits as its factorization.

2211312030331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2211312030331 its reverse (1330302131122), we get a palindrome (3541614161453).

The spelling of 2211312030331 in words is "two trillion, two hundred eleven billion, three hundred twelve million, thirty thousand, three hundred thirty-one".