331132321032 has 32 divisors (see below), whose sum is σ = 836027153280. Its totient is φ = 109284593600.

The previous prime is 331132321021. The next prime is 331132321033. The reversal of 331132321032 is 230123231133.

It is a super-2 number, since 2×331132321032² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 331132320993 and 331132321011.

It is not an unprimeable number, because it can be changed into a prime (331132321033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68300448 + ... + 68305295.

It is an arithmetic number, because the mean of its divisors is an integer number (26125848540).

Almost surely, 2^331132321032 is an apocalyptic number.

It is an amenable number.

331132321032 is an abundant number, since it is smaller than the sum of its proper divisors (504894832248).

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

331132321032 is a wasteful number, since it uses less digits than its factorization.

331132321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136605853 (or 136605849 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331132321032 its reverse (230123231133), we get a palindrome (561255552165).

The spelling of 331132321032 in words is "three hundred thirty-one billion, one hundred thirty-two million, three hundred twenty-one thousand, thirty-two".