131211302230202 has 16 divisors (see below), whose sum is σ = 197438717790720. Its totient is φ = 65398398168048.

The previous prime is 131211302230157. The next prime is 131211302230237. The reversal of 131211302230202 is 202032203112131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229201199 + ... + 229772957.

It is an arithmetic number, because the mean of its divisors is an integer number (12339919861920).

Almost surely, 2^{131211302230202} is an apocalyptic number.

131211302230202 is a deficient number, since it is larger than the sum of its proper divisors (66227415560518).

131211302230202 is a wasteful number, since it uses less digits than its factorization.

131211302230202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934045.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131211302230202 its reverse (202032203112131), we get a palindrome (333243505342333).

The spelling of 131211302230202 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred two million, two hundred thirty thousand, two hundred two".