131230302202 has 8 divisors (see below), whose sum is σ = 197844669396. Its totient is φ = 65282079072.

The previous prime is 131230302193. The next prime is 131230302221. The reversal of 131230302202 is 202203032131.

It can be written as a sum of positive squares in 2 ways, for example, as 129067029081 + 2163273121 = 359259^2 + 46511^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 131230302202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166535523 + ... + 166536310.

Almost surely, 2^131230302202 is an apocalyptic number.

131230302202 is a deficient number, since it is larger than the sum of its proper divisors (66614367194).

131230302202 is a wasteful number, since it uses less digits than its factorization.

131230302202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333072032.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 131230302202 its reverse (202203032131), we get a palindrome (333433334333).

The spelling of 131230302202 in words is "one hundred thirty-one billion, two hundred thirty million, three hundred two thousand, two hundred two".