2031145612 has 12 divisors (see below), whose sum is σ = 3557472856. Its totient is φ = 1014724800.

The previous prime is 2031145607. The next prime is 2031145639. The reversal of 2031145612 is 2165411302.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 206598 + ... + 216205.

Almost surely, 2^2031145612 is an apocalyptic number.

It is an amenable number.

2031145612 is a deficient number, since it is larger than the sum of its proper divisors (1526327244).

2031145612 is a wasteful number, since it uses less digits than its factorization.

2031145612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424008 (or 424006 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2031145612 is about 45068.2328475391. The cubic root of 2031145612 is about 1266.4275596992.

Adding to 2031145612 its reverse (2165411302), we get a palindrome (4196556914).

The spelling of 2031145612 in words is "two billion, thirty-one million, one hundred forty-five thousand, six hundred twelve".