201311203 has 8 divisors (see below), whose sum is σ = 210240000. Its totient is φ = 192397128.

The previous prime is 201311183. The next prime is 201311219. The reversal of 201311203 is 302113102.

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 201311203 - 2⁹ = 201310691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201311003) 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, 31558 + ... + 37396.

It is an arithmetic number, because the mean of its divisors is an integer number (26280000).

Almost surely, 2^201311203 is an apocalyptic number.

201311203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201311203 is a deficient number, since it is larger than the sum of its proper divisors (8928797).

201311203 is a wasteful number, since it uses less digits than its factorization.

201311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 201311203 is about 14188.4179174424. The cubic root of 201311203 is about 586.0787585322.

Adding to 201311203 its reverse (302113102), we get a palindrome (503424305).

The spelling of 201311203 in words is "two hundred one million, three hundred eleven thousand, two hundred three".