213100324361 has 8 divisors (see below), whose sum is σ = 217407943944. Its totient is φ = 208803329280.

The previous prime is 213100324357. The next prime is 213100324391. The reversal of 213100324361 is 163423001312.

It can be written as a sum of positive squares in 4 ways, for example, as 138035283961 + 75065040400 = 371531^2 + 273980^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213100324361 - 2² = 213100324357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213100324361.

It is not an unprimeable number, because it can be changed into a prime (213100324391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615600 + ... + 2695841.

It is an arithmetic number, because the mean of its divisors is an integer number (27175992993).

Almost surely, 2^213100324361 is an apocalyptic number.

It is an amenable number.

213100324361 is a deficient number, since it is larger than the sum of its proper divisors (4307619583).

213100324361 is an equidigital number, since it uses as much as digits as its factorization.

213100324361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312251.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213100324361 its reverse (163423001312), we get a palindrome (376523325673).

The spelling of 213100324361 in words is "two hundred thirteen billion, one hundred million, three hundred twenty-four thousand, three hundred sixty-one".