2221313343031 has 4 divisors (see below), whose sum is σ = 2254467273592. Its totient is φ = 2188159412472.

The previous prime is 2221313343019. The next prime is 2221313343043. The reversal of 2221313343031 is 1303433131222.

2221313343031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2221313343019) and next prime (2221313343043).

It is a cyclic number.

It is not a de Polignac number, because 2221313343031 - 2¹³ = 2221313334839 is a prime.

It is a super-2 number, since 2×2221313343031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221313343091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16576965180 + ... + 16576965313.

It is an arithmetic number, because the mean of its divisors is an integer number (563616818398).

Almost surely, 2^{2221313343031} is an apocalyptic number.

2221313343031 is a deficient number, since it is larger than the sum of its proper divisors (33153930561).

2221313343031 is an equidigital number, since it uses as much as digits as its factorization.

2221313343031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33153930560.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 2221313343031 its reverse (1303433131222), we get a palindrome (3524746474253).

The spelling of 2221313343031 in words is "two trillion, two hundred twenty-one billion, three hundred thirteen million, three hundred forty-three thousand, thirty-one".