213100980 has 96 divisors (see below), whose sum is σ = 625895424. Its totient is φ = 54071424.

The previous prime is 213100931. The next prime is 213100997. The reversal of 213100980 is 89001312.

It is a self number, because there is not a number n which added to its sum of digits gives 213100980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423409 + ... + 423911.

It is an arithmetic number, because the mean of its divisors is an integer number (6519744).

Almost surely, 2^213100980 is an apocalyptic number.

213100980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213100980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312947712).

213100980 is an abundant number, since it is smaller than the sum of its proper divisors (412794444).

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

213100980 is a wasteful number, since it uses less digits than its factorization.

213100980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 213100980 is about 14597.9786271936. The cubic root of 213100980 is about 597.3036229587.

The spelling of 213100980 in words is "two hundred thirteen million, one hundred thousand, nine hundred eighty".