223034531 has 2 divisors, whose sum is σ = 223034532. Its totient is φ = 223034530.

The previous prime is 223034527. The next prime is 223034551. The reversal of 223034531 is 135430322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223034531 - 2² = 223034527 is a prime.

It is a super-2 number, since 2×223034531² = 99488804036779922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 223034497 and 223034506.

It is not a weakly prime, because it can be changed into another prime (223034551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111517265 + 111517266.

It is an arithmetic number, because the mean of its divisors is an integer number (111517266).

Almost surely, 2^223034531 is an apocalyptic number.

223034531 is a deficient number, since it is larger than the sum of its proper divisors (1).

223034531 is an equidigital number, since it uses as much as digits as its factorization.

223034531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 223034531 is about 14934.3406617098. The cubic root of 223034531 is about 606.4439983389.

Adding to 223034531 its reverse (135430322), we get a palindrome (358464853).

The spelling of 223034531 in words is "two hundred twenty-three million, thirty-four thousand, five hundred thirty-one".