312142134140237 has 2 divisors, whose sum is σ = 312142134140238. Its totient is φ = 312142134140236.

The previous prime is 312142134140231. The next prime is 312142134140279. The reversal of 312142134140237 is 732041431241213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166507899594436 + 145634234545801 = 12903794^2 + 12067901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312142134140237 is a prime.

It is a super-2 number, since 2×312142134140237² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312142134140237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312142134140231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156071067070118 + 156071067070119.

It is an arithmetic number, because the mean of its divisors is an integer number (156071067070119).

Almost surely, 2^{312142134140237} is an apocalyptic number.

It is an amenable number.

312142134140237 is a deficient number, since it is larger than the sum of its proper divisors (1).

312142134140237 is an equidigital number, since it uses as much as digits as its factorization.

312142134140237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 312142134140237 in words is "three hundred twelve trillion, one hundred forty-two billion, one hundred thirty-four million, one hundred forty thousand, two hundred thirty-seven".