2331020303021 has 16 divisors (see below), whose sum is σ = 2516379903360. Its totient is φ = 2152669928640.

The previous prime is 2331020303009. The next prime is 2331020303057. The reversal of 2331020303021 is 1203030201332.

It is a cyclic number.

It is not a de Polignac number, because 2331020303021 - 2³⁴ = 2313840433837 is a prime.

It is a super-2 number, since 2×2331020303021² (a number of 26 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 = 2331020302984 and 2331020303002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331020303621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13770131 + ... + 13938383.

It is an arithmetic number, because the mean of its divisors is an integer number (157273743960).

Almost surely, 2^{2331020303021} is an apocalyptic number.

It is an amenable number.

2331020303021 is a deficient number, since it is larger than the sum of its proper divisors (185359600339).

2331020303021 is a wasteful number, since it uses less digits than its factorization.

2331020303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189076.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2331020303021 its reverse (1203030201332), we get a palindrome (3534050504353).

The spelling of 2331020303021 in words is "two trillion, three hundred thirty-one billion, twenty million, three hundred three thousand, twenty-one".