201330031 has 8 divisors (see below), whose sum is σ = 243626400. Its totient is φ = 162417408.

The previous prime is 201330011. The next prime is 201330043. The reversal of 201330031 is 130033102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201330031 is a prime.

It is a super-2 number, since 2×201330031² = 81067562764921922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201329993 and 201330020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845806 + ... + 846043.

It is an arithmetic number, because the mean of its divisors is an integer number (30453300).

Almost surely, 2^201330031 is an apocalyptic number.

201330031 is a deficient number, since it is larger than the sum of its proper divisors (42296369).

201330031 is a wasteful number, since it uses less digits than its factorization.

201330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691873.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 201330031 is about 14189.0814008519. The cubic root of 201330031 is about 586.0970293267.

Adding to 201330031 its reverse (130033102), we get a palindrome (331363133).

The spelling of 201330031 in words is "two hundred one million, three hundred thirty thousand, thirty-one".