315404101 has 2 divisors, whose sum is σ = 315404102. Its totient is φ = 315404100.

The previous prime is 315404093. The next prime is 315404143. The reversal of 315404101 is 101404513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217592001 + 97812100 = 14751^2 + 9890^2 .

It is a cyclic number.

It is not a de Polignac number, because 315404101 - 2³ = 315404093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315404191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157702050 + 157702051.

It is an arithmetic number, because the mean of its divisors is an integer number (157702051).

Almost surely, 2^315404101 is an apocalyptic number.

It is an amenable number.

315404101 is a deficient number, since it is larger than the sum of its proper divisors (1).

315404101 is an equidigital number, since it uses as much as digits as its factorization.

315404101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 315404101 is about 17759.6199565193. The cubic root of 315404101 is about 680.7000439241.

Adding to 315404101 its reverse (101404513), we get a palindrome (416808614).

The spelling of 315404101 in words is "three hundred fifteen million, four hundred four thousand, one hundred one".