311222000223 has 16 divisors (see below), whose sum is σ = 466250191200. Its totient is φ = 205150080960.

The previous prime is 311222000053. The next prime is 311222000231. The reversal of 311222000223 is 322000222113.

It is not a de Polignac number, because 311222000223 - 2¹³ = 311221992031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311222000196 and 311222000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311222000723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64754568 + ... + 64759373.

It is an arithmetic number, because the mean of its divisors is an integer number (29140636950).

Almost surely, 2^311222000223 is an apocalyptic number.

311222000223 is a deficient number, since it is larger than the sum of its proper divisors (155028190977).

311222000223 is a wasteful number, since it uses less digits than its factorization.

311222000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129514039 (or 129514033 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 311222000223 its reverse (322000222113), we get a palindrome (633222222336).

The spelling of 311222000223 in words is "three hundred eleven billion, two hundred twenty-two million, two hundred twenty-three", and thus it is an aban number.