2131671306 has 32 divisors (see below), whose sum is σ = 4386683520. Its totient is φ = 690071616.

The previous prime is 2131671301. The next prime is 2131671319. The reversal of 2131671306 is 6031761312.

It is not an unprimeable number, because it can be changed into a prime (2131671301) 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 15 ways as a sum of consecutive naturals, for example, 115035 + ... + 132273.

It is an arithmetic number, because the mean of its divisors is an integer number (137083860).

Almost surely, 2^2131671306 is an apocalyptic number.

2131671306 is an abundant number, since it is smaller than the sum of its proper divisors (2255012214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131671306 is a wasteful number, since it uses less digits than its factorization.

2131671306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17838.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 2131671306 is about 46170.0260558731. The cubic root of 2131671306 is about 1286.9847864227.

The spelling of 2131671306 in words is "two billion, one hundred thirty-one million, six hundred seventy-one thousand, three hundred six".