131204322002 has 8 divisors (see below), whose sum is σ = 211945443276. Its totient is φ = 60555840912.

The previous prime is 131204322001. The next prime is 131204322059. The reversal of 131204322002 is 200223402131.

It can be written as a sum of positive squares in 2 ways, for example, as 94494145201 + 36710176801 = 307399^2 + 191599^2 .

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

It is a super-2 number, since 2×131204322002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131204322001) 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 3 ways as a sum of consecutive naturals, for example, 2523160013 + ... + 2523160064.

Almost surely, 2^131204322002 is an apocalyptic number.

131204322002 is a deficient number, since it is larger than the sum of its proper divisors (80741121274).

131204322002 is a wasteful number, since it uses less digits than its factorization.

131204322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046320092.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 131204322002 its reverse (200223402131), we get a palindrome (331427724133).

The spelling of 131204322002 in words is "one hundred thirty-one billion, two hundred four million, three hundred twenty-two thousand, two".