2221323011031 has 8 divisors (see below), whose sum is σ = 3057304789504. Its totient is φ = 1433111619960.

The previous prime is 2221323011021. The next prime is 2221323011057. The reversal of 2221323011031 is 1301103231222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221323011031 - 2⁷ = 2221323010903 is a prime.

It is a super-2 number, since 2×2221323011031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221323010989 and 2221323011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221323011021) 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 7 ways as a sum of consecutive naturals, for example, 11942596741 + ... + 11942596926.

It is an arithmetic number, because the mean of its divisors is an integer number (382163098688).

Almost surely, 2^{2221323011031} is an apocalyptic number.

2221323011031 is a deficient number, since it is larger than the sum of its proper divisors (835981778473).

2221323011031 is a wasteful number, since it uses less digits than its factorization.

2221323011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23885193701.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2221323011031 its reverse (1301103231222), we get a palindrome (3522426242253).

The spelling of 2221323011031 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, eleven thousand, thirty-one".