320243313132 has 36 divisors (see below), whose sum is σ = 809696185480. Its totient is φ = 106722418752.

The previous prime is 320243313127. The next prime is 320243313179. The reversal of 320243313132 is 231313342023.

320243313132 is a `hidden beast` number, since 3 + 202 + 433 + 13 + 13 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 320243313096 and 320243313105.

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 11 ways as a sum of consecutive naturals, for example, 902353 + ... + 1206120.

Almost surely, 2^320243313132 is an apocalyptic number.

It is an amenable number.

320243313132 is an abundant number, since it is smaller than the sum of its proper divisors (489452872348).

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

320243313132 is a wasteful number, since it uses less digits than its factorization.

320243313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112702 (or 2112697 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 320243313132 its reverse (231313342023), we get a palindrome (551556655155).

It can be divided in two parts, 320243 and 313132, that added together give a triangular number (633375 = T₁₁₂₅).

The spelling of 320243313132 in words is "three hundred twenty billion, two hundred forty-three million, three hundred thirteen thousand, one hundred thirty-two".