316035125442161 has 2 divisors, whose sum is σ = 316035125442162. Its totient is φ = 316035125442160.

The previous prime is 316035125442133. The next prime is 316035125442221. The reversal of 316035125442161 is 161244521530613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289590847682161 + 26444277760000 = 17017369^2 + 5142400^2 .

It is an emirp because it is prime and its reverse (161244521530613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316035125442161 is a prime.

It is not a weakly prime, because it can be changed into another prime (316035125445161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158017562721080 + 158017562721081.

It is an arithmetic number, because the mean of its divisors is an integer number (158017562721081).

Almost surely, 2^{316035125442161} is an apocalyptic number.

It is an amenable number.

316035125442161 is a deficient number, since it is larger than the sum of its proper divisors (1).

316035125442161 is an equidigital number, since it uses as much as digits as its factorization.

316035125442161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 316035125442161 its reverse (161244521530613), we get a palindrome (477279646972774).

The spelling of 316035125442161 in words is "three hundred sixteen trillion, thirty-five billion, one hundred twenty-five million, four hundred forty-two thousand, one hundred sixty-one".