223031012313 has 4 divisors (see below), whose sum is σ = 297374683088. Its totient is φ = 148687341540.

The previous prime is 223031012279. The next prime is 223031012329. The reversal of 223031012313 is 313210130322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223031012313 - 2⁶ = 223031012249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223031012313.

It is not an unprimeable number, because it can be changed into a prime (223031012353) 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, 37171835383 + ... + 37171835388.

It is an arithmetic number, because the mean of its divisors is an integer number (74343670772).

Almost surely, 2^223031012313 is an apocalyptic number.

It is an amenable number.

223031012313 is a deficient number, since it is larger than the sum of its proper divisors (74343670775).

223031012313 is an equidigital number, since it uses as much as digits as its factorization.

223031012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74343670774.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 223031012313 its reverse (313210130322), we get a palindrome (536241142635).

The spelling of 223031012313 in words is "two hundred twenty-three billion, thirty-one million, twelve thousand, three hundred thirteen".