1020321331032 has 64 divisors (see below), whose sum is σ = 2575545804000. Its totient is φ = 336821667840.

The previous prime is 1020321331019. The next prime is 1020321331033. The reversal of 1020321331032 is 2301331230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020321331033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781782 + ... + 1628442.

Almost surely, 2^{1020321331032} is an apocalyptic number.

1020321331032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020321331032 is an abundant number, since it is smaller than the sum of its proper divisors (1555224472968).

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

1020321331032 is a wasteful number, since it uses less digits than its factorization.

1020321331032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847156 (or 847152 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1020321331032 its reverse (2301331230201), we get a palindrome (3321652561233).

The spelling of 1020321331032 in words is "one trillion, twenty billion, three hundred twenty-one million, three hundred thirty-one thousand, thirty-two".