311230100223 has 16 divisors (see below), whose sum is σ = 526950434560. Its totient is φ = 177845771448.

The previous prime is 311230100221. The next prime is 311230100239. The reversal of 311230100223 is 322001032113.

311230100223 is a `hidden beast` number, since 311 + 2 + 30 + 100 + 223 = 666.

It is not a de Polignac number, because 311230100223 - 2¹ = 311230100221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311230100196 and 311230100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311230100221) 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, 823359865 + ... + 823360242.

It is an arithmetic number, because the mean of its divisors is an integer number (32934402160).

Almost surely, 2^311230100223 is an apocalyptic number.

311230100223 is a deficient number, since it is larger than the sum of its proper divisors (215720334337).

311230100223 is a wasteful number, since it uses less digits than its factorization.

311230100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646720123 (or 1646720117 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 311230100223 its reverse (322001032113), we get a palindrome (633231132336).

The spelling of 311230100223 in words is "three hundred eleven billion, two hundred thirty million, one hundred thousand, two hundred twenty-three".