131320321030312 has 16 divisors (see below), whose sum is σ = 246263360901300. Its totient is φ = 65650091456640.

The previous prime is 131320321030309. The next prime is 131320321030333. The reversal of 131320321030312 is 213030123023131.

It can be written as a sum of positive squares in 2 ways, for example, as 107956380722436 + 23363940307876 = 10390206^2 + 4833626^2 .

It is a super-3 number, since 3×131320321030312³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258576887 + ... + 1258681222.

Almost surely, 2^{131320321030312} is an apocalyptic number.

It is an amenable number.

131320321030312 is a deficient number, since it is larger than the sum of its proper divisors (114943039870988).

131320321030312 is a wasteful number, since it uses less digits than its factorization.

131320321030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517264636 (or 2517264632 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131320321030312 its reverse (213030123023131), we get a palindrome (344350444053443).

The spelling of 131320321030312 in words is "one hundred thirty-one trillion, three hundred twenty billion, three hundred twenty-one million, thirty thousand, three hundred twelve".