320001043131032 has 32 divisors (see below), whose sum is σ = 626096224270080. Its totient is φ = 153042210588960.

The previous prime is 320001043130981. The next prime is 320001043131037. The reversal of 320001043131032 is 230131340100023.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 320001043130989 and 320001043131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320001043131037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6016253 + ... + 26003795.

It is an arithmetic number, because the mean of its divisors is an integer number (19565507008440).

Almost surely, 2^{320001043131032} is an apocalyptic number.

It is an amenable number.

320001043131032 is a deficient number, since it is larger than the sum of its proper divisors (306095181139048).

320001043131032 is a wasteful number, since it uses less digits than its factorization.

320001043131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074583 (or 20074579 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320001043131032 its reverse (230131340100023), we get a palindrome (550132383231055).

The spelling of 320001043131032 in words is "three hundred twenty trillion, one billion, forty-three million, one hundred thirty-one thousand, thirty-two".