315643343345 has 16 divisors (see below), whose sum is σ = 413328000960. Its totient is φ = 229490923200.

The previous prime is 315643343341. The next prime is 315643343369. The reversal of 315643343345 is 543343346513.

It is not a de Polignac number, because 315643343345 - 2² = 315643343341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315643343296 and 315643343305.

It is not an unprimeable number, because it can be changed into a prime (315643343341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660311 + ... + 1033100.

It is an arithmetic number, because the mean of its divisors is an integer number (25833000060).

Almost surely, 2^315643343345 is an apocalyptic number.

It is an amenable number.

315643343345 is a deficient number, since it is larger than the sum of its proper divisors (97684657615).

315643343345 is a wasteful number, since it uses less digits than its factorization.

315643343345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696816.

The product of its digits is 2332800, while the sum is 44.

Adding to 315643343345 its reverse (543343346513), we get a palindrome (858986689858).

The spelling of 315643343345 in words is "three hundred fifteen billion, six hundred forty-three million, three hundred forty-three thousand, three hundred forty-five".