213204300131 has 4 divisors (see below), whose sum is σ = 213623169600. Its totient is φ = 212785430664.

The previous prime is 213204300109. The next prime is 213204300137. The reversal of 213204300131 is 131003402312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213204300131 - 2¹⁸ = 213204037987 is a prime.

It is a super-2 number, since 2×213204300131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213204300137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209433971 + ... + 209434988.

It is an arithmetic number, because the mean of its divisors is an integer number (53405792400).

Almost surely, 2^213204300131 is an apocalyptic number.

213204300131 is a deficient number, since it is larger than the sum of its proper divisors (418869469).

213204300131 is an equidigital number, since it uses as much as digits as its factorization.

213204300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418869468.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213204300131 its reverse (131003402312), we get a palindrome (344207702443).

The spelling of 213204300131 in words is "two hundred thirteen billion, two hundred four million, three hundred thousand, one hundred thirty-one".