2221231133031 has 16 divisors (see below), whose sum is σ = 3025144433664. Its totient is φ = 1449079487264.

The previous prime is 2221231133027. The next prime is 2221231133047. The reversal of 2221231133031 is 1303311321222.

It is a cyclic number.

It is not a de Polignac number, because 2221231133031 - 2² = 2221231133027 is a prime.

It is a super-3 number, since 3×2221231133031³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2221231132992 and 2221231133010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221231133131) 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 in 15 ways as a sum of consecutive naturals, for example, 397275 + ... + 2144828.

It is an arithmetic number, because the mean of its divisors is an integer number (189071527104).

Almost surely, 2^{2221231133031} is an apocalyptic number.

2221231133031 is a deficient number, since it is larger than the sum of its proper divisors (803913300633).

2221231133031 is a wasteful number, since it uses less digits than its factorization.

2221231133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548350.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2221231133031 its reverse (1303311321222), we get a palindrome (3524542454253).

The spelling of 2221231133031 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred thirty-three thousand, thirty-one".