311231002232223 has 32 divisors (see below), whose sum is σ = 473603236638720. Its totient is φ = 201854600307360.

The previous prime is 311231002232201. The next prime is 311231002232231. The reversal of 311231002232223 is 322232200132113.

311231002232223 is a `hidden beast` number, since 3 + 1 + 1 + 2 + 310 + 0 + 2 + 2 + 322 + 23 = 666.

It is not a de Polignac number, because 311231002232223 - 2¹⁰ = 311231002231199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311231002232243) 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 31 ways as a sum of consecutive naturals, for example, 11183023 + ... + 27340848.

It is an arithmetic number, because the mean of its divisors is an integer number (14800101144960).

Almost surely, 2^{311231002232223} is an apocalyptic number.

311231002232223 is a deficient number, since it is larger than the sum of its proper divisors (162372234406497).

311231002232223 is a wasteful number, since it uses less digits than its factorization.

311231002232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38532004 (or 38531998 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 311231002232223 its reverse (322232200132113), we get a palindrome (633463202364336).

The spelling of 311231002232223 in words is "three hundred eleven trillion, two hundred thirty-one billion, two million, two hundred thirty-two thousand, two hundred twenty-three".