2031172 has 48 divisors (see below), whose sum is σ = 4318272. Its totient is φ = 823680.

The previous prime is 2031167. The next prime is 2031179. The reversal of 2031172 is 2711302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2031179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30283 + ... + 30349.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2^2031172 is an apocalyptic number.

2031172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2031172 is an abundant number, since it is smaller than the sum of its proper divisors (2287100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031172 is a wasteful number, since it uses less digits than its factorization.

2031172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2031172 is about 1425.1919169010. The cubic root of 2031172 is about 126.6433044017.

Adding to 2031172 its reverse (2711302), we get a palindrome (4742474).

The spelling of 2031172 in words is "two million, thirty-one thousand, one hundred seventy-two".