223013222031 has 4 divisors (see below), whose sum is σ = 297350962712. Its totient is φ = 148675481352.

The previous prime is 223013222027. The next prime is 223013222041. The reversal of 223013222031 is 130222310322.

It is a happy number.

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

It is not a de Polignac number, because 223013222031 - 2² = 223013222027 is a prime.

It is a super-2 number, since 2×223013222031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223013221989 and 223013222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223013222041) 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, 37168870336 + ... + 37168870341.

It is an arithmetic number, because the mean of its divisors is an integer number (74337740678).

Almost surely, 2^223013222031 is an apocalyptic number.

223013222031 is a deficient number, since it is larger than the sum of its proper divisors (74337740681).

223013222031 is an equidigital number, since it uses as much as digits as its factorization.

223013222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74337740680.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223013222031 its reverse (130222310322), we get a palindrome (353235532353).

The spelling of 223013222031 in words is "two hundred twenty-three billion, thirteen million, two hundred twenty-two thousand, thirty-one".