223440535031 has 24 divisors (see below), whose sum is σ = 263671094304. Its totient is φ = 188760741120.

The previous prime is 223440535007. The next prime is 223440535057. The reversal of 223440535031 is 130535044322.

It is not a de Polignac number, because 223440535031 - 2²⁶ = 223373426167 is a prime.

It is a super-2 number, since 2×223440535031² (a number of 23 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 (223440535061) 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 23 ways as a sum of consecutive naturals, for example, 5104046 + ... + 5147636.

It is an arithmetic number, because the mean of its divisors is an integer number (10986295596).

Almost surely, 2^223440535031 is an apocalyptic number.

223440535031 is a deficient number, since it is larger than the sum of its proper divisors (40230559273).

223440535031 is a wasteful number, since it uses less digits than its factorization.

223440535031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45111 (or 45104 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 223440535031 its reverse (130535044322), we get a palindrome (353975579353).

The spelling of 223440535031 in words is "two hundred twenty-three billion, four hundred forty million, five hundred thirty-five thousand, thirty-one".