131311302220012 has 24 divisors (see below), whose sum is σ = 253890906597216. Its totient is φ = 59106877724928.

The previous prime is 131311302219991. The next prime is 131311302220037. The reversal of 131311302220012 is 210022203113131.

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, 41979315003 + ... + 41979318130.

It is an arithmetic number, because the mean of its divisors is an integer number (10578787774884).

Almost surely, 2^{131311302220012} is an apocalyptic number.

It is an amenable number.

131311302220012 is a deficient number, since it is larger than the sum of its proper divisors (122579604377204).

131311302220012 is a wasteful number, since it uses less digits than its factorization.

131311302220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83958633177 (or 83958633175 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131311302220012 its reverse (210022203113131), we get a palindrome (341333505333143).

The spelling of 131311302220012 in words is "one hundred thirty-one trillion, three hundred eleven billion, three hundred two million, two hundred twenty thousand, twelve".