315545306310343 has 4 divisors (see below), whose sum is σ = 315569975645808. Its totient is φ = 315520636974880.

The previous prime is 315545306310329. The next prime is 315545306310407. The reversal of 315545306310343 is 343013603545513.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315545306310343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315545306310293 and 315545306310302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315545306310943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12334648546 + ... + 12334674127.

It is an arithmetic number, because the mean of its divisors is an integer number (78892493911452).

Almost surely, 2^{315545306310343} is an apocalyptic number.

315545306310343 is a deficient number, since it is larger than the sum of its proper divisors (24669335465).

315545306310343 is a wasteful number, since it uses less digits than its factorization.

315545306310343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24669335464.

The product of its (nonzero) digits is 2916000, while the sum is 46.

Adding to 315545306310343 its reverse (343013603545513), we get a palindrome (658558909855856).

The spelling of 315545306310343 in words is "three hundred fifteen trillion, five hundred forty-five billion, three hundred six million, three hundred ten thousand, three hundred forty-three".