315105364403 has 2 divisors, whose sum is σ = 315105364404. Its totient is φ = 315105364402.

The previous prime is 315105364369. The next prime is 315105364411. The reversal of 315105364403 is 304463501513.

It is a strong prime.

It is an emirp because it is prime and its reverse (304463501513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315105364403 - 2¹² = 315105360307 is a prime.

It is not a weakly prime, because it can be changed into another prime (315105364463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157552682201 + 157552682202.

It is an arithmetic number, because the mean of its divisors is an integer number (157552682202).

Almost surely, 2^315105364403 is an apocalyptic number.

315105364403 is a deficient number, since it is larger than the sum of its proper divisors (1).

315105364403 is an equidigital number, since it uses as much as digits as its factorization.

315105364403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 315105364403 its reverse (304463501513), we get a palindrome (619568865916).

The spelling of 315105364403 in words is "three hundred fifteen billion, one hundred five million, three hundred sixty-four thousand, four hundred three".