213448101 has 4 divisors (see below), whose sum is σ = 284597472. Its totient is φ = 142298732.

The previous prime is 213448099. The next prime is 213448111. The reversal of 213448101 is 101844312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213448101 - 2¹ = 213448099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213448111) 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, 35574681 + ... + 35574686.

It is an arithmetic number, because the mean of its divisors is an integer number (71149368).

Almost surely, 2^213448101 is an apocalyptic number.

It is an amenable number.

213448101 is a deficient number, since it is larger than the sum of its proper divisors (71149371).

213448101 is an equidigital number, since it uses as much as digits as its factorization.

213448101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71149370.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 213448101 is about 14609.8631410428. The cubic root of 213448101 is about 597.6277637417.

The spelling of 213448101 in words is "two hundred thirteen million, four hundred forty-eight thousand, one hundred one".