2021120323031 has 8 divisors (see below), whose sum is σ = 2041286698800. Its totient is φ = 2001052560960.

The previous prime is 2021120322943. The next prime is 2021120323051. The reversal of 2021120323031 is 1303230211202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021120323031 - 2³⁰ = 2020046581207 is a prime.

It is a super-2 number, since 2×2021120323031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021120322994 and 2021120323012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021120323051) 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, 24612230 + ... + 24694211.

It is an arithmetic number, because the mean of its divisors is an integer number (255160837350).

Almost surely, 2^{2021120323031} is an apocalyptic number.

2021120323031 is a deficient number, since it is larger than the sum of its proper divisors (20166375769).

2021120323031 is a wasteful number, since it uses less digits than its factorization.

2021120323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49306849.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2021120323031 its reverse (1303230211202), we get a palindrome (3324350534233).

The spelling of 2021120323031 in words is "two trillion, twenty-one billion, one hundred twenty million, three hundred twenty-three thousand, thirty-one".