201047031 has 6 divisors (see below), whose sum is σ = 290401280. Its totient is φ = 134031348.

The previous prime is 201047029. The next prime is 201047057. The reversal of 201047031 is 130740102.

It is not a de Polignac number, because 201047031 - 2¹ = 201047029 is a prime.

It is a super-2 number, since 2×201047031² = 80839817347829922, 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 = 201046995 and 201047013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201047131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11169271 + ... + 11169288.

Almost surely, 2^201047031 is an apocalyptic number.

201047031 is a deficient number, since it is larger than the sum of its proper divisors (89354249).

201047031 is a wasteful number, since it uses less digits than its factorization.

201047031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338565 (or 22338562 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 201047031 is about 14179.1054372270. The cubic root of 201047031 is about 585.8222843626.

Adding to 201047031 its reverse (130740102), we get a palindrome (331787133).

The spelling of 201047031 in words is "two hundred one million, forty-seven thousand, thirty-one".