2012021031 has 8 divisors (see below), whose sum is σ = 2691321984. Its totient is φ = 1337033720.

The previous prime is 2012021029. The next prime is 2012021047. The reversal of 2012021031 is 1301202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012021031 - 2¹ = 2012021029 is a prime.

It is a super-2 number, since 2×2012021031² = 8096457258372605922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012020998 and 2012021016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012021021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077321 + ... + 1079186.

It is an arithmetic number, because the mean of its divisors is an integer number (336415248).

Almost surely, 2^2012021031 is an apocalyptic number.

2012021031 is a deficient number, since it is larger than the sum of its proper divisors (679300953).

2012021031 is a wasteful number, since it uses less digits than its factorization.

2012021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156821.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2012021031 is about 44855.5574148845. The cubic root of 2012021031 is about 1262.4402676834.

Adding to 2012021031 its reverse (1301202102), we get a palindrome (3313223133).

The spelling of 2012021031 in words is "two billion, twelve million, twenty-one thousand, thirty-one".