315461203 has 2 divisors, whose sum is σ = 315461204. Its totient is φ = 315461202.

The previous prime is 315461191. The next prime is 315461207. The reversal of 315461203 is 302164513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315461203 - 2¹⁷ = 315330131 is a prime.

It is equal to p_17043541 and since 315461203 and 17043541 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (315461207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157730601 + 157730602.

It is an arithmetic number, because the mean of its divisors is an integer number (157730602).

Almost surely, 2^315461203 is an apocalyptic number.

315461203 is a deficient number, since it is larger than the sum of its proper divisors (1).

315461203 is an equidigital number, since it uses as much as digits as its factorization.

315461203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 315461203 is about 17761.2275195156. The cubic root of 315461203 is about 680.7411203171.

The spelling of 315461203 in words is "three hundred fifteen million, four hundred sixty-one thousand, two hundred three".