213240703 has 4 divisors (see below), whose sum is σ = 229643848. Its totient is φ = 196837560.

The previous prime is 213240701. The next prime is 213240719. The reversal of 213240703 is 307042312.

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 213240703 - 2¹ = 213240701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213240701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8201553 + ... + 8201578.

It is an arithmetic number, because the mean of its divisors is an integer number (57410962).

Almost surely, 2^213240703 is an apocalyptic number.

213240703 is a deficient number, since it is larger than the sum of its proper divisors (16403145).

213240703 is a wasteful number, since it uses less digits than its factorization.

213240703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16403144.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 213240703 is about 14602.7635398235. The cubic root of 213240703 is about 597.4341382677.

The spelling of 213240703 in words is "two hundred thirteen million, two hundred forty thousand, seven hundred three".