2131006006 has 4 divisors (see below), whose sum is σ = 3196509012. Its totient is φ = 1065503002.

The previous prime is 2131006001. The next prime is 2131006057. The reversal of 2131006006 is 6006001312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131006001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532751500 + ... + 532751503.

It is an arithmetic number, because the mean of its divisors is an integer number (799127253).

Almost surely, 2^2131006006 is an apocalyptic number.

2131006006 is a deficient number, since it is larger than the sum of its proper divisors (1065503006).

2131006006 is a wasteful number, since it uses less digits than its factorization.

2131006006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065503005.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2131006006 is about 46162.8206027318. The cubic root of 2131006006 is about 1286.8508820900.

Adding to 2131006006 its reverse (6006001312), we get a palindrome (8137007318).

The spelling of 2131006006 in words is "two billion, one hundred thirty-one million, six thousand, six".