221010230313031 has 2 divisors, whose sum is σ = 221010230313032. Its totient is φ = 221010230313030.

The previous prime is 221010230312999. The next prime is 221010230313083. The reversal of 221010230313031 is 130313032010122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221010230313031 - 2⁵ = 221010230312999 is a prime.

It is a super-2 number, since 2×221010230313031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221010230312993 and 221010230313011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221010230383031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505115156515 + 110505115156516.

It is an arithmetic number, because the mean of its divisors is an integer number (110505115156516).

Almost surely, 2^{221010230313031} is an apocalyptic number.

221010230313031 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010230313031 is an equidigital number, since it uses as much as digits as its factorization.

221010230313031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 221010230313031 its reverse (130313032010122), we get a palindrome (351323262323153).

The spelling of 221010230313031 in words is "two hundred twenty-one trillion, ten billion, two hundred thirty million, three hundred thirteen thousand, thirty-one".