213242321212303 has 8 divisors (see below), whose sum is σ = 216997140124800. Its totient is φ = 209492187042648.

The previous prime is 213242321212279. The next prime is 213242321212343. The reversal of 213242321212303 is 303212123242312.

It is a happy number.

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 213242321212303 - 2⁹ = 213242321211791 is a prime.

It is a super-2 number, since 2×213242321212303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213242321212343) 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, 1171093873 + ... + 1171275946.

It is an arithmetic number, because the mean of its divisors is an integer number (27124642515600).

Almost surely, 2^{213242321212303} is an apocalyptic number.

213242321212303 is a deficient number, since it is larger than the sum of its proper divisors (3754818912497).

213242321212303 is a wasteful number, since it uses less digits than its factorization.

213242321212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342371421.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 213242321212303 its reverse (303212123242312), we get a palindrome (516454444454615).

The spelling of 213242321212303 in words is "two hundred thirteen trillion, two hundred forty-two billion, three hundred twenty-one million, two hundred twelve thousand, three hundred three".