311213223300 has 72 divisors (see below), whose sum is σ = 1029078398656. Its totient is φ = 71134450560.

The previous prime is 311213223263. The next prime is 311213223313. The reversal of 311213223300 is 3322312113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74096287 + ... + 74100486.

Almost surely, 2^311213223300 is an apocalyptic number.

311213223300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

311213223300 is an abundant number, since it is smaller than the sum of its proper divisors (717865175356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311213223300 is a wasteful number, since it uses less digits than its factorization.

311213223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148196797 (or 148196790 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 311213223300 its reverse (3322312113), we get a palindrome (314535535413).

The spelling of 311213223300 in words is "three hundred eleven billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred".