223031230313 has 4 divisors (see below), whose sum is σ = 227239366788. Its totient is φ = 218823093840.

The previous prime is 223031230307. The next prime is 223031230319. The reversal of 223031230313 is 313032130322.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (223031230307) and next prime (223031230319).

It can be written as a sum of positive squares in 2 ways, for example, as 93029880064 + 130001350249 = 305008^2 + 360557^2 .

It is a cyclic number.

It is not a de Polignac number, because 223031230313 - 2²⁸ = 222762794857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031230319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104068158 + ... + 2104068263.

It is an arithmetic number, because the mean of its divisors is an integer number (56809841697).

Almost surely, 2^223031230313 is an apocalyptic number.

It is an amenable number.

223031230313 is a deficient number, since it is larger than the sum of its proper divisors (4208136475).

223031230313 is an equidigital number, since it uses as much as digits as its factorization.

223031230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208136474.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 223031230313 its reverse (313032130322), we get a palindrome (536063360635).

Subtracting 223031230313 from its reverse (313032130322), we obtain a palindrome (90000900009).

The spelling of 223031230313 in words is "two hundred twenty-three billion, thirty-one million, two hundred thirty thousand, three hundred thirteen".