131012302209 has 4 divisors (see below), whose sum is σ = 174683069616. Its totient is φ = 87341534804.

The previous prime is 131012302193. The next prime is 131012302279. The reversal of 131012302209 is 902203210131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131012302209 - 2⁴ = 131012302193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131012302279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21835383699 + ... + 21835383704.

It is an arithmetic number, because the mean of its divisors is an integer number (43670767404).

Almost surely, 2^131012302209 is an apocalyptic number.

It is an amenable number.

131012302209 is a deficient number, since it is larger than the sum of its proper divisors (43670767407).

131012302209 is an equidigital number, since it uses as much as digits as its factorization.

131012302209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43670767406.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 131012302209 in words is "one hundred thirty-one billion, twelve million, three hundred two thousand, two hundred nine".