315656325323413 has 2 divisors, whose sum is σ = 315656325323414. Its totient is φ = 315656325323412.

The previous prime is 315656325323369. The next prime is 315656325323477. The reversal of 315656325323413 is 314323523656513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247812390075364 + 67843935248049 = 15742058^2 + 8236743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315656325323413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315656325323483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157828162661706 + 157828162661707.

It is an arithmetic number, because the mean of its divisors is an integer number (157828162661707).

Almost surely, 2^{315656325323413} is an apocalyptic number.

It is an amenable number.

315656325323413 is a deficient number, since it is larger than the sum of its proper divisors (1).

315656325323413 is an equidigital number, since it uses as much as digits as its factorization.

315656325323413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496000, while the sum is 52.

Adding to 315656325323413 its reverse (314323523656513), we get a palindrome (629979848979926).

The spelling of 315656325323413 in words is "three hundred fifteen trillion, six hundred fifty-six billion, three hundred twenty-five million, three hundred twenty-three thousand, four hundred thirteen".