223324220311131 has 4 divisors (see below), whose sum is σ = 297765627081512. Its totient is φ = 148882813540752.

The previous prime is 223324220311123. The next prime is 223324220311139. The reversal of 223324220311131 is 131113022423322.

223324220311131 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 (223324220311123) and next prime (223324220311139).

It is not a de Polignac number, because 223324220311131 - 2³ = 223324220311123 is a prime.

It is a super-2 number, since 2×223324220311131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223324220311139) 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, 37220703385186 + ... + 37220703385191.

It is an arithmetic number, because the mean of its divisors is an integer number (74441406770378).

Almost surely, 2^{223324220311131} is an apocalyptic number.

223324220311131 is a deficient number, since it is larger than the sum of its proper divisors (74441406770381).

223324220311131 is an equidigital number, since it uses as much as digits as its factorization.

223324220311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74441406770380.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 223324220311131 its reverse (131113022423322), we get a palindrome (354437242734453).

The spelling of 223324220311131 in words is "two hundred twenty-three trillion, three hundred twenty-four billion, two hundred twenty million, three hundred eleven thousand, one hundred thirty-one".