2012003631 has 40 divisors (see below), whose sum is σ = 3288623184. Its totient is φ = 1215751680.

The previous prime is 2012003621. The next prime is 2012003639. The reversal of 2012003631 is 1363002102.

2012003631 is a `hidden beast` number, since 20 + 12 + 0 + 0 + 3 + 631 = 666.

It is not a de Polignac number, because 2012003631 - 2⁷ = 2012003503 is a prime.

It is a super-2 number, since 2×2012003631² = 8096317222314368322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012003639) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 311325 + ... + 317721.

Almost surely, 2^2012003631 is an apocalyptic number.

2012003631 is a deficient number, since it is larger than the sum of its proper divisors (1276619553).

2012003631 is a wasteful number, since it uses less digits than its factorization.

2012003631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773 (or 6764 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2012003631 is about 44855.3634585654. The cubic root of 2012003631 is about 1262.4366284696.

Adding to 2012003631 its reverse (1363002102), we get a palindrome (3375005733).

The spelling of 2012003631 in words is "two billion, twelve million, three thousand, six hundred thirty-one".