2131606347 has 8 divisors (see below), whose sum is σ = 3060768144. Its totient is φ = 1311757728.

The previous prime is 2131606327. The next prime is 2131606423. The reversal of 2131606347 is 7436061312.

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

It is not a de Polignac number, because 2131606347 - 2¹⁰ = 2131605323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131606307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27328248 + ... + 27328325.

It is an arithmetic number, because the mean of its divisors is an integer number (382596018).

Almost surely, 2^2131606347 is an apocalyptic number.

2131606347 is a deficient number, since it is larger than the sum of its proper divisors (929161797).

2131606347 is a wasteful number, since it uses less digits than its factorization.

2131606347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54656589.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2131606347 is about 46169.3225746274. The cubic root of 2131606347 is about 1286.9717134106.

Adding to 2131606347 its reverse (7436061312), we get a palindrome (9567667659).

The spelling of 2131606347 in words is "two billion, one hundred thirty-one million, six hundred six thousand, three hundred forty-seven".