223131303011 has 2 divisors, whose sum is σ = 223131303012. Its totient is φ = 223131303010.

The previous prime is 223131302951. The next prime is 223131303037. The reversal of 223131303011 is 110303131322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223131303011 - 2²² = 223127108707 is a prime.

It is a super-3 number, since 3×223131303011³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223131303061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111565651505 + 111565651506.

It is an arithmetic number, because the mean of its divisors is an integer number (111565651506).

Almost surely, 2^223131303011 is an apocalyptic number.

223131303011 is a deficient number, since it is larger than the sum of its proper divisors (1).

223131303011 is an equidigital number, since it uses as much as digits as its factorization.

223131303011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 223131303011 its reverse (110303131322), we get a palindrome (333434434333).

The spelling of 223131303011 in words is "two hundred twenty-three billion, one hundred thirty-one million, three hundred three thousand, eleven".