2131210300 has 72 divisors (see below), whose sum is σ = 4743071424. Its totient is φ = 830826240.

The previous prime is 2131210283. The next prime is 2131210363. The reversal of 2131210300 is 30121312.

It is a congruent number.

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, 1301082 + ... + 1302718.

It is an arithmetic number, because the mean of its divisors is an integer number (65875992).

Almost surely, 2^2131210300 is an apocalyptic number.

2131210300 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 2131210300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371535712).

2131210300 is an abundant number, since it is smaller than the sum of its proper divisors (2611861124).

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

2131210300 is a wasteful number, since it uses less digits than its factorization.

2131210300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2131210300 is about 46165.0333044394. The cubic root of 2131210300 is about 1286.8920031243.

Adding to 2131210300 its reverse (30121312), we get a palindrome (2161331612).

The spelling of 2131210300 in words is "two billion, one hundred thirty-one million, two hundred ten thousand, three hundred".