223431334213 has 2 divisors, whose sum is σ = 223431334214. Its totient is φ = 223431334212.

The previous prime is 223431334199. The next prime is 223431334219. The reversal of 223431334213 is 312433134322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223409366244 + 21967969 = 472662^2 + 4687^2 .

It is a cyclic number.

It is not a de Polignac number, because 223431334213 - 2¹⁷ = 223431203141 is a prime.

It is a super-2 number, since 2×223431334213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223431334219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111715667106 + 111715667107.

It is an arithmetic number, because the mean of its divisors is an integer number (111715667107).

Almost surely, 2^223431334213 is an apocalyptic number.

It is an amenable number.

223431334213 is a deficient number, since it is larger than the sum of its proper divisors (1).

223431334213 is an equidigital number, since it uses as much as digits as its factorization.

223431334213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 31.

Adding to 223431334213 its reverse (312433134322), we get a palindrome (535864468535).

The spelling of 223431334213 in words is "two hundred twenty-three billion, four hundred thirty-one million, three hundred thirty-four thousand, two hundred thirteen".