201311293 has 8 divisors (see below), whose sum is σ = 205793280. Its totient is φ = 196837680.

The previous prime is 201311291. The next prime is 201311309. The reversal of 201311293 is 392113102.

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 201311293 - 2¹ = 201311291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201311291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94308 + ... + 96418.

It is an arithmetic number, because the mean of its divisors is an integer number (25724160).

Almost surely, 2^201311293 is an apocalyptic number.

It is an amenable number.

201311293 is a deficient number, since it is larger than the sum of its proper divisors (4481987).

201311293 is a wasteful number, since it uses less digits than its factorization.

201311293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 201311293 is about 14188.4210890430. The cubic root of 201311293 is about 586.0788458714.

Adding to 201311293 its reverse (392113102), we get a palindrome (593424395).

The spelling of 201311293 in words is "two hundred one million, three hundred eleven thousand, two hundred ninety-three".