131311202330312 has 32 divisors (see below), whose sum is σ = 246481394342400. Its totient is φ = 65582869895424.

The previous prime is 131311202330293. The next prime is 131311202330339. The reversal of 131311202330312 is 213033202113131.

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, 24229133 + ... + 29149155.

It is an arithmetic number, because the mean of its divisors is an integer number (7702543573200).

Almost surely, 2^{131311202330312} is an apocalyptic number.

It is an amenable number.

131311202330312 is a deficient number, since it is larger than the sum of its proper divisors (115170192012088).

131311202330312 is a wasteful number, since it uses less digits than its factorization.

131311202330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923725 (or 4923721 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131311202330312 its reverse (213033202113131), we get a palindrome (344344404443443).

The spelling of 131311202330312 in words is "one hundred thirty-one trillion, three hundred eleven billion, two hundred two million, three hundred thirty thousand, three hundred twelve".