201014381 has 4 divisors (see below), whose sum is σ = 201043200. Its totient is φ = 200985564.

The previous prime is 201014369. The next prime is 201014383. The reversal of 201014381 is 183410102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201014381 - 2¹⁰ = 201013357 is a prime.

It is a super-2 number, since 2×201014381² = 80813562737626322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201014383) 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 3 ways as a sum of consecutive naturals, for example, 3350 + ... + 20328.

It is an arithmetic number, because the mean of its divisors is an integer number (50260800).

Almost surely, 2^201014381 is an apocalyptic number.

It is an amenable number.

201014381 is a deficient number, since it is larger than the sum of its proper divisors (28819).

201014381 is a wasteful number, since it uses less digits than its factorization.

201014381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 201014381 is about 14177.9540484514. The cubic root of 201014381 is about 585.7905701695.

Adding to 201014381 its reverse (183410102), we get a palindrome (384424483).

The spelling of 201014381 in words is "two hundred one million, fourteen thousand, three hundred eighty-one".