2021323131032 has 8 divisors (see below), whose sum is σ = 3789980870700. Its totient is φ = 1010661565512.

The previous prime is 2021323131029. The next prime is 2021323131049. The reversal of 2021323131032 is 2301313231202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2021323130989 and 2021323131007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126332695682 + ... + 126332695697.

Almost surely, 2^{2021323131032} is an apocalyptic number.

It is an amenable number.

2021323131032 is a deficient number, since it is larger than the sum of its proper divisors (1768657739668).

2021323131032 is a wasteful number, since it uses less digits than its factorization.

2021323131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252665391385 (or 252665391381 counting only the distinct ones).

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

Adding to 2021323131032 its reverse (2301313231202), we get a palindrome (4322636362234).

The spelling of 2021323131032 in words is "two trillion, twenty-one billion, three hundred twenty-three million, one hundred thirty-one thousand, thirty-two".