131130233209 has 8 divisors (see below), whose sum is σ = 134683211520. Its totient is φ = 127577724336.

The previous prime is 131130233207. The next prime is 131130233231. The reversal of 131130233209 is 902332031131.

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 131130233209 - 2¹ = 131130233207 is a prime.

It is a super-2 number, since 2×131130233209² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131130233207) 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, 491022 + ... + 709480.

It is an arithmetic number, because the mean of its divisors is an integer number (16835401440).

Almost surely, 2^131130233209 is an apocalyptic number.

It is an amenable number.

131130233209 is a deficient number, since it is larger than the sum of its proper divisors (3552978311).

131130233209 is a wasteful number, since it uses less digits than its factorization.

131130233209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234719.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 131130233209 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred thirty-three thousand, two hundred nine".