315143320406 has 8 divisors (see below), whose sum is σ = 485491061280. Its totient is φ = 153312966648.

The previous prime is 315143320399. The next prime is 315143320441. The reversal of 315143320406 is 604023341513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129346686 + ... + 2129346833.

It is an arithmetic number, because the mean of its divisors is an integer number (60686382660).

Almost surely, 2^315143320406 is an apocalyptic number.

315143320406 is a deficient number, since it is larger than the sum of its proper divisors (170347740874).

315143320406 is a wasteful number, since it uses less digits than its factorization.

315143320406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258693558.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 315143320406 its reverse (604023341513), we get a palindrome (919166661919).

The spelling of 315143320406 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty thousand, four hundred six".