131312100231213 has 12 divisors (see below), whose sum is σ = 192446383810464. Its totient is φ = 79583091049000.

The previous prime is 131312100231149. The next prime is 131312100231229. The reversal of 131312100231213 is 312132001213131.

It is not a de Polignac number, because 131312100231213 - 2⁶ = 131312100231149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312100231283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180870661113 + ... + 180870661838.

It is an arithmetic number, because the mean of its divisors is an integer number (16037198650872).

Almost surely, 2^{131312100231213} is an apocalyptic number.

It is an amenable number.

131312100231213 is a deficient number, since it is larger than the sum of its proper divisors (61134283579251).

131312100231213 is a wasteful number, since it uses less digits than its factorization.

131312100231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361741322976 (or 361741322965 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131312100231213 its reverse (312132001213131), we get a palindrome (443444101444344).

The spelling of 131312100231213 in words is "one hundred thirty-one trillion, three hundred twelve billion, one hundred million, two hundred thirty-one thousand, two hundred thirteen".