315143214345 has 48 divisors (see below), whose sum is σ = 553966732800. Its totient is φ = 165715401600.

The previous prime is 315143214341. The next prime is 315143214359. The reversal of 315143214345 is 543412341513.

315143214345 is a `hidden beast` number, since 31 + 51 + 432 + 143 + 4 + 5 = 666.

It is not a de Polignac number, because 315143214345 - 2² = 315143214341 is a prime.

It is a super-2 number, since 2×315143214345² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315143214341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 941196 + ... + 1231314.

It is an arithmetic number, because the mean of its divisors is an integer number (11540973600).

Almost surely, 2^315143214345 is an apocalyptic number.

It is an amenable number.

315143214345 is a deficient number, since it is larger than the sum of its proper divisors (238823518455).

315143214345 is a wasteful number, since it uses less digits than its factorization.

315143214345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290470 (or 290467 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 315143214345 its reverse (543412341513), we get a palindrome (858555555858).

The spelling of 315143214345 in words is "three hundred fifteen billion, one hundred forty-three million, two hundred fourteen thousand, three hundred forty-five".