315164021141 has 2 divisors, whose sum is σ = 315164021142. Its totient is φ = 315164021140.

The previous prime is 315164021099. The next prime is 315164021191. The reversal of 315164021141 is 141120461513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171454793041 + 143709228100 = 414071^2 + 379090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315164021141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315164021191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157582010570 + 157582010571.

It is an arithmetic number, because the mean of its divisors is an integer number (157582010571).

Almost surely, 2^315164021141 is an apocalyptic number.

It is an amenable number.

315164021141 is a deficient number, since it is larger than the sum of its proper divisors (1).

315164021141 is an equidigital number, since it uses as much as digits as its factorization.

315164021141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 315164021141 its reverse (141120461513), we get a palindrome (456284482654).

The spelling of 315164021141 in words is "three hundred fifteen billion, one hundred sixty-four million, twenty-one thousand, one hundred forty-one".