213214240040311 has 4 divisors (see below), whose sum is σ = 213233575703832. Its totient is φ = 213194904376792.

The previous prime is 213214240040261. The next prime is 213214240040387. The reversal of 213214240040311 is 113040042412312.

It is a happy number.

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 213214240040311 - 2⁹ = 213214240039799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213214240040311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213214240041311) 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, 9667815220 + ... + 9667837273.

It is an arithmetic number, because the mean of its divisors is an integer number (53308393925958).

Almost surely, 2^{213214240040311} is an apocalyptic number.

213214240040311 is a deficient number, since it is larger than the sum of its proper divisors (19335663521).

213214240040311 is a wasteful number, since it uses less digits than its factorization.

213214240040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19335663520.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 213214240040311 its reverse (113040042412312), we get a palindrome (326254282452623).

The spelling of 213214240040311 in words is "two hundred thirteen trillion, two hundred fourteen billion, two hundred forty million, forty thousand, three hundred eleven".