2031173 has 4 divisors (see below), whose sum is σ = 2034060. Its totient is φ = 2028288.

The previous prime is 2031167. The next prime is 2031179. The reversal of 2031173 is 3711302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2031167) and next prime (2031179).

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 1151329 = 938^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031173 - 2¹⁶ = 1965637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031179) 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, 383 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (508515).

2^2031173 is an apocalyptic number.

It is an amenable number.

2031173 is a deficient number, since it is larger than the sum of its proper divisors (2887).

2031173 is a wasteful number, since it uses less digits than its factorization.

2031173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2031173 is about 1425.1922677309. The cubic root of 2031173 is about 126.6433251850.

Adding to 2031173 its reverse (3711302), we get a palindrome (5742475).

The spelling of 2031173 in words is "two million, thirty-one thousand, one hundred seventy-three".