320253231132 has 36 divisors (see below), whose sum is σ = 809546564736. Its totient is φ = 106748760960.

The previous prime is 320253231083. The next prime is 320253231169. The reversal of 320253231132 is 231132352023.

It is a happy number.

320253231132 is a `hidden beast` number, since 3 + 202 + 5 + 323 + 1 + 132 = 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 = 320253231096 and 320253231105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2680453 + ... + 2797379.

It is an arithmetic number, because the mean of its divisors is an integer number (22487404576).

Almost surely, 2^320253231132 is an apocalyptic number.

It is an amenable number.

320253231132 is an abundant number, since it is smaller than the sum of its proper divisors (489293333604).

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

320253231132 is a wasteful number, since it uses less digits than its factorization.

320253231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193018 (or 193013 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 320253231132 its reverse (231132352023), we get a palindrome (551385583155).

The spelling of 320253231132 in words is "three hundred twenty billion, two hundred fifty-three million, two hundred thirty-one thousand, one hundred thirty-two".