223323131031311 has 4 divisors (see below), whose sum is σ = 223352070151512. Its totient is φ = 223294191911112.

The previous prime is 223323131031257. The next prime is 223323131031313. The reversal of 223323131031311 is 113130131323322.

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 223323131031311 - 2²² = 223323126837007 is a prime.

It is a super-2 number, since 2×223323131031311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223323131031313) 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, 14469548525 + ... + 14469563958.

It is an arithmetic number, because the mean of its divisors is an integer number (55838017537878).

Almost surely, 2^{223323131031311} is an apocalyptic number.

223323131031311 is a deficient number, since it is larger than the sum of its proper divisors (28939120201).

223323131031311 is an equidigital number, since it uses as much as digits as its factorization.

223323131031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28939120200.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 223323131031311 its reverse (113130131323322), we get a palindrome (336453262354633).

The spelling of 223323131031311 in words is "two hundred twenty-three trillion, three hundred twenty-three billion, one hundred thirty-one million, thirty-one thousand, three hundred eleven".