315030541205 has 4 divisors (see below), whose sum is σ = 378036649452. Its totient is φ = 252024432960.

The previous prime is 315030541201. The next prime is 315030541211. The reversal of 315030541205 is 502145030513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37266758116 + 277763783089 = 193046^2 + 527033^2 .

It is not a de Polignac number, because 315030541205 - 2² = 315030541201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315030541201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31503054116 + ... + 31503054125.

It is an arithmetic number, because the mean of its divisors is an integer number (94509162363).

Almost surely, 2^315030541205 is an apocalyptic number.

It is an amenable number.

315030541205 is a deficient number, since it is larger than the sum of its proper divisors (63006108247).

315030541205 is an equidigital number, since it uses as much as digits as its factorization.

315030541205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63006108246.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 315030541205 its reverse (502145030513), we get a palindrome (817175571718).

The spelling of 315030541205 in words is "three hundred fifteen billion, thirty million, five hundred forty-one thousand, two hundred five".