201311210103 has 8 divisors (see below), whose sum is σ = 270216390000. Its totient is φ = 133306751808.

The previous prime is 201311210083. The next prime is 201311210119. The reversal of 201311210103 is 301012113102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201311210103 - 2⁵ = 201311210071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201311210123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225179878 + ... + 225180771.

It is an arithmetic number, because the mean of its divisors is an integer number (33777048750).

Almost surely, 2^201311210103 is an apocalyptic number.

201311210103 is a deficient number, since it is larger than the sum of its proper divisors (68905179897).

201311210103 is a wasteful number, since it uses less digits than its factorization.

201311210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450360801.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201311210103 its reverse (301012113102), we get a palindrome (502323323205).

The spelling of 201311210103 in words is "two hundred one billion, three hundred eleven million, two hundred ten thousand, one hundred three".