2031347 has 12 divisors (see below), whose sum is σ = 2276856. Its totient is φ = 1805760.

The previous prime is 2031319. The next prime is 2031353. The reversal of 2031347 is 7431302.

It is not a de Polignac number, because 2031347 - 2⁶ = 2031283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5972 + ... + 6302.

It is an arithmetic number, because the mean of its divisors is an integer number (189738).

2^2031347 is an apocalyptic number.

2031347 is a deficient number, since it is larger than the sum of its proper divisors (245509).

2031347 is a wasteful number, since it uses less digits than its factorization.

2031347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2031347 is about 1425.2533108188. The cubic root of 2031347 is about 126.6469413729.

Adding to 2031347 its reverse (7431302), we get a palindrome (9462649).

The spelling of 2031347 in words is "two million, thirty-one thousand, three hundred forty-seven".