2201312320331 has 2 divisors, whose sum is σ = 2201312320332. Its totient is φ = 2201312320330.

The previous prime is 2201312320327. The next prime is 2201312320351. The reversal of 2201312320331 is 1330232131022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201312320331 - 2² = 2201312320327 is a prime.

It is a super-2 number, since 2×2201312320331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201312320297 and 2201312320306.

It is not a weakly prime, because it can be changed into another prime (2201312320351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100656160165 + 1100656160166.

It is an arithmetic number, because the mean of its divisors is an integer number (1100656160166).

Almost surely, 2^{2201312320331} is an apocalyptic number.

2201312320331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201312320331 is an equidigital number, since it uses as much as digits as its factorization.

2201312320331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2201312320331 its reverse (1330232131022), we get a palindrome (3531544451353).

The spelling of 2201312320331 in words is "two trillion, two hundred one billion, three hundred twelve million, three hundred twenty thousand, three hundred thirty-one".