315143443340 has 48 divisors (see below), whose sum is σ = 727476228864. Its totient is φ = 113722814400.

The previous prime is 315143443331. The next prime is 315143443367. The reversal of 315143443340 is 43344341513.

It is a self number, because there is not a number n which added to its sum of digits gives 315143443340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5438624 + ... + 5496263.

It is an arithmetic number, because the mean of its divisors is an integer number (15155754768).

Almost surely, 2^315143443340 is an apocalyptic number.

It is an amenable number.

315143443340 is an abundant number, since it is smaller than the sum of its proper divisors (412332785524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315143443340 is a wasteful number, since it uses less digits than its factorization.

315143443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935038 (or 10935036 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 315143443340 its reverse (43344341513), we get a palindrome (358487784853).

The spelling of 315143443340 in words is "three hundred fifteen billion, one hundred forty-three million, four hundred forty-three thousand, three hundred forty".