2021020230331 has 8 divisors (see below), whose sum is σ = 2116088261280. Its totient is φ = 1926551998272.

The previous prime is 2021020230263. The next prime is 2021020230343. The reversal of 2021020230331 is 1330320201202.

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 2021020230331 - 2¹³ = 2021020222139 is a prime.

It is a super-2 number, since 2×2021020230331² (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 = 2021020230299 and 2021020230308.

It is not an unprimeable number, because it can be changed into a prime (2021020030331) 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, 149942826 + ... + 149956303.

It is an arithmetic number, because the mean of its divisors is an integer number (264511032660).

Almost surely, 2^{2021020230331} is an apocalyptic number.

2021020230331 is a deficient number, since it is larger than the sum of its proper divisors (95068030949).

2021020230331 is a wasteful number, since it uses less digits than its factorization.

2021020230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299899445.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2021020230331 its reverse (1330320201202), we get a palindrome (3351340431533).

The spelling of 2021020230331 in words is "two trillion, twenty-one billion, twenty million, two hundred thirty thousand, three hundred thirty-one".