211313331203 has 4 divisors (see below), whose sum is σ = 227568202848. Its totient is φ = 195058459560.

The previous prime is 211313331179. The next prime is 211313331209. The reversal of 211313331203 is 302133313112.

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 211313331203 - 2⁸ = 211313330947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211313331209) 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, 8127435803 + ... + 8127435828.

It is an arithmetic number, because the mean of its divisors is an integer number (56892050712).

Almost surely, 2^211313331203 is an apocalyptic number.

211313331203 is a deficient number, since it is larger than the sum of its proper divisors (16254871645).

211313331203 is a wasteful number, since it uses less digits than its factorization.

211313331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16254871644.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 211313331203 its reverse (302133313112), we get a palindrome (513446644315).

The spelling of 211313331203 in words is "two hundred eleven billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred three".