2012002031 has 4 divisors (see below), whose sum is σ = 2166771432. Its totient is φ = 1857232632.

The previous prime is 2012002019. The next prime is 2012002043. The reversal of 2012002031 is 1302002102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2012002019) and next prime (2012002043).

It is a cyclic number.

It is not a de Polignac number, because 2012002031 - 2⁶ = 2012001967 is a prime.

It is a super-2 number, since 2×2012002031² = 8096304345496249922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77384681 + ... + 77384706.

It is an arithmetic number, because the mean of its divisors is an integer number (541692858).

Almost surely, 2^2012002031 is an apocalyptic number.

2012002031 is a deficient number, since it is larger than the sum of its proper divisors (154769401).

2012002031 is a wasteful number, since it uses less digits than its factorization.

2012002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154769400.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2012002031 is about 44855.3456234594. The cubic root of 2012002031 is about 1262.4362938282.

Adding to 2012002031 its reverse (1302002102), we get a palindrome (3314004133).

The spelling of 2012002031 in words is "two billion, twelve million, two thousand, thirty-one".