2201311203031 has 2 divisors, whose sum is σ = 2201311203032. Its totient is φ = 2201311203030.

The previous prime is 2201311203029. The next prime is 2201311203053. The reversal of 2201311203031 is 1303021131022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201311203031 - 2¹ = 2201311203029 is a prime.

It is a super-2 number, since 2×2201311203031² (a number of 25 digits) contains 22 as substring.

Together with 2201311203029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201311203331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100655601515 + 1100655601516.

It is an arithmetic number, because the mean of its divisors is an integer number (1100655601516).

Almost surely, 2^{2201311203031} is an apocalyptic number.

2201311203031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201311203031 is an equidigital number, since it uses as much as digits as its factorization.

2201311203031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2201311203031 its reverse (1303021131022), we get a palindrome (3504332334053).

The spelling of 2201311203031 in words is "two trillion, two hundred one billion, three hundred eleven million, two hundred three thousand, thirty-one".