2031147 has 6 divisors (see below), whose sum is σ = 2933892. Its totient is φ = 1354092.

The previous prime is 2031137. The next prime is 2031163. The reversal of 2031147 is 7411302.

It is not a de Polignac number, because 2031147 - 2¹⁴ = 2014763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112833 + ... + 112850.

It is an arithmetic number, because the mean of its divisors is an integer number (488982).

2^2031147 is an apocalyptic number.

2031147 is a deficient number, since it is larger than the sum of its proper divisors (902745).

2031147 is a wasteful number, since it uses less digits than its factorization.

2031147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225689 (or 225686 counting only the distinct ones).

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

The square root of 2031147 is about 1425.1831461254. The cubic root of 2031147 is about 126.6427848174.

Adding to 2031147 its reverse (7411302), we get a palindrome (9442449).

The spelling of 2031147 in words is "two million, thirty-one thousand, one hundred forty-seven".