213241143432113 has 4 divisors (see below), whose sum is σ = 213241179094260. Its totient is φ = 213241107769968.

The previous prime is 213241143432103. The next prime is 213241143432173. The reversal of 213241143432113 is 311234341142312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108668594882929 + 104572548549184 = 10424423^2 + 10226072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213241143432113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213241143432103) 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, 6433358 + ... + 21630311.

It is an arithmetic number, because the mean of its divisors is an integer number (53310294773565).

Almost surely, 2^{213241143432113} is an apocalyptic number.

It is an amenable number.

213241143432113 is a deficient number, since it is larger than the sum of its proper divisors (35662147).

213241143432113 is an equidigital number, since it uses as much as digits as its factorization.

213241143432113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35662146.

The product of its digits is 41472, while the sum is 35.

Adding to 213241143432113 its reverse (311234341142312), we get a palindrome (524475484574425).

The spelling of 213241143432113 in words is "two hundred thirteen trillion, two hundred forty-one billion, one hundred forty-three million, four hundred thirty-two thousand, one hundred thirteen".