211313323020 has 48 divisors (see below), whose sum is σ = 591822620928. Its totient is φ = 56336379840.

The previous prime is 211313322959. The next prime is 211313323027. The reversal of 211313323020 is 20323313112.

It is not an unprimeable number, because it can be changed into a prime (211313323027) 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, 184984 + ... + 675903.

It is an arithmetic number, because the mean of its divisors is an integer number (12329637936).

Almost surely, 2^211313323020 is an apocalyptic number.

211313323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211313323020 is an abundant number, since it is smaller than the sum of its proper divisors (380509297908).

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

211313323020 is a wasteful number, since it uses less digits than its factorization.

211313323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864990 (or 864988 counting only the distinct ones).

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

Adding to 211313323020 its reverse (20323313112), we get a palindrome (231636636132).

The spelling of 211313323020 in words is "two hundred eleven billion, three hundred thirteen million, three hundred twenty-three thousand, twenty".