131202223303202 has 4 divisors (see below), whose sum is σ = 196803334954806. Its totient is φ = 65601111651600.

The previous prime is 131202223303181. The next prime is 131202223303219. The reversal of 131202223303202 is 202303322202131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95701825818361 + 35500397484841 = 9782731^2 + 5958221^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32800555825799 + ... + 32800555825802.

Almost surely, 2^{131202223303202} is an apocalyptic number.

131202223303202 is a deficient number, since it is larger than the sum of its proper divisors (65601111651604).

131202223303202 is an equidigital number, since it uses as much as digits as its factorization.

131202223303202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65601111651603.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 131202223303202 its reverse (202303322202131), we get a palindrome (333505545505333).

The spelling of 131202223303202 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-three million, three hundred three thousand, two hundred two".