2012102331 has 32 divisors (see below), whose sum is σ = 2824281600. Its totient is φ = 1272499200.

The previous prime is 2012102327. The next prime is 2012102359. The reversal of 2012102331 is 1332012102.

It is not a de Polignac number, because 2012102331 - 2² = 2012102327 is a prime.

It is a super-2 number, since 2×2012102331² = 8097111580831267122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012102331.

It is not an unprimeable number, because it can be changed into a prime (2012102531) 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 31 ways as a sum of consecutive naturals, for example, 1273500 + ... + 1275078.

It is an arithmetic number, because the mean of its divisors is an integer number (88258800).

Almost surely, 2^2012102331 is an apocalyptic number.

2012102331 is a deficient number, since it is larger than the sum of its proper divisors (812179269).

2012102331 is a wasteful number, since it uses less digits than its factorization.

2012102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2012102331 is about 44856.4636479516. The cubic root of 2012102331 is about 1262.4572713180.

Adding to 2012102331 its reverse (1332012102), we get a palindrome (3344114433).

The spelling of 2012102331 in words is "two billion, twelve million, one hundred two thousand, three hundred thirty-one".