201004031 has 4 divisors (see below), whose sum is σ = 207488064. Its totient is φ = 194520000.

The previous prime is 201004009. The next prime is 201004051. The reversal of 201004031 is 130400102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201004031 - 2¹⁰ = 201003007 is a prime.

It is a super-2 number, since 2×201004031² = 80805240956497922, 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 (201004051) 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, 3241970 + ... + 3242031.

It is an arithmetic number, because the mean of its divisors is an integer number (51872016).

Almost surely, 2^201004031 is an apocalyptic number.

201004031 is a deficient number, since it is larger than the sum of its proper divisors (6484033).

201004031 is an equidigital number, since it uses as much as digits as its factorization.

201004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484032.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201004031 is about 14177.5890404540. The cubic root of 201004031 is about 585.7805161020.

Adding to 201004031 its reverse (130400102), we get a palindrome (331404133).

The spelling of 201004031 in words is "two hundred one million, four thousand, thirty-one".