201383399 has 4 divisors (see below), whose sum is σ = 230152464. Its totient is φ = 172614336.

The previous prime is 201383389. The next prime is 201383407. The reversal of 201383399 is 993383102.

201383399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993383102 = 2 ⋅496691551.

It is a cyclic number.

It is not a de Polignac number, because 201383399 - 2¹² = 201379303 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 (201383359) 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, 14384522 + ... + 14384535.

It is an arithmetic number, because the mean of its divisors is an integer number (57538116).

Almost surely, 2^201383399 is an apocalyptic number.

201383399 is a deficient number, since it is larger than the sum of its proper divisors (28769065).

201383399 is an equidigital number, since it uses as much as digits as its factorization.

201383399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28769064.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 201383399 is about 14190.9618771949. The cubic root of 201383399 is about 586.1488117372.

The spelling of 201383399 in words is "two hundred one million, three hundred eighty-three thousand, three hundred ninety-nine".