315143201232 has 160 divisors (see below), whose sum is σ = 908425964160. Its totient is φ = 104601784320.

The previous prime is 315143201189. The next prime is 315143201267. The reversal of 315143201232 is 232102341513.

315143201232 is a `hidden beast` number, since 3 + 1 + 514 + 3 + 20 + 123 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 315143201196 and 315143201205.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 181011882 + ... + 181013622.

It is an arithmetic number, because the mean of its divisors is an integer number (5677662276).

Almost surely, 2^315143201232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315143201232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454212982080).

315143201232 is an abundant number, since it is smaller than the sum of its proper divisors (593282762928).

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

315143201232 is a wasteful number, since it uses less digits than its factorization.

315143201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298 (or 3286 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 315143201232 its reverse (232102341513), we get a palindrome (547245542745).

The spelling of 315143201232 in words is "three hundred fifteen billion, one hundred forty-three million, two hundred one thousand, two hundred thirty-two".