131213300102312 has 8 divisors (see below), whose sum is σ = 246024937691850. Its totient is φ = 65606650051152.

The previous prime is 131213300102293. The next prime is 131213300102317. The reversal of 131213300102312 is 213201003312131.

It can be written as a sum of positive squares in only one way, i.e., 99072042808036 + 32141257294276 = 9953494^2 + 5669326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (131213300102317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200831256387 + ... + 8200831256402.

Almost surely, 2^{131213300102312} is an apocalyptic number.

It is an amenable number.

131213300102312 is a deficient number, since it is larger than the sum of its proper divisors (114811637589538).

131213300102312 is a wasteful number, since it uses less digits than its factorization.

131213300102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401662512795 (or 16401662512791 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131213300102312 its reverse (213201003312131), we get a palindrome (344414303414443).

The spelling of 131213300102312 in words is "one hundred thirty-one trillion, two hundred thirteen billion, three hundred million, one hundred two thousand, three hundred twelve".