223031313011 has 4 divisors (see below), whose sum is σ = 240187567872. Its totient is φ = 205875058152.

The previous prime is 223031312981. The next prime is 223031313023. The reversal of 223031313011 is 110313130322.

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

It is a cyclic number.

It is not a de Polignac number, because 223031313011 - 2¹⁴ = 223031296627 is a prime.

It is a super-2 number, since 2×223031313011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031313511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8578127411 + ... + 8578127436.

It is an arithmetic number, because the mean of its divisors is an integer number (60046891968).

Almost surely, 2^223031313011 is an apocalyptic number.

223031313011 is a deficient number, since it is larger than the sum of its proper divisors (17156254861).

223031313011 is a wasteful number, since it uses less digits than its factorization.

223031313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156254860.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 223031313011 its reverse (110313130322), we get a palindrome (333344443333).

The spelling of 223031313011 in words is "two hundred twenty-three billion, thirty-one million, three hundred thirteen thousand, eleven".