223131413 has 2 divisors, whose sum is σ = 223131414. Its totient is φ = 223131412.

The previous prime is 223131401. The next prime is 223131457. The reversal of 223131413 is 314131322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183277444 + 39853969 = 13538^2 + 6313^2 .

It is a cyclic number.

It is not a de Polignac number, because 223131413 - 2⁸ = 223131157 is a prime.

It is a super-3 number, since 3×223131413³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223131463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111565706 + 111565707.

It is an arithmetic number, because the mean of its divisors is an integer number (111565707).

Almost surely, 2^223131413 is an apocalyptic number.

It is an amenable number.

223131413 is a deficient number, since it is larger than the sum of its proper divisors (1).

223131413 is an equidigital number, since it uses as much as digits as its factorization.

223131413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 223131413 is about 14937.5839077141. The cubic root of 223131413 is about 606.5317949117.

Adding to 223131413 its reverse (314131322), we get a palindrome (537262735).

Subtracting 223131413 from its reverse (314131322), we obtain a palindrome (90999909).

The spelling of 223131413 in words is "two hundred twenty-three million, one hundred thirty-one thousand, four hundred thirteen".