2030451440321 has 16 divisors (see below), whose sum is σ = 2070418858704. Its totient is φ = 1990970333184.

The previous prime is 2030451440293. The next prime is 2030451440441. The reversal of 2030451440321 is 1230441540302.

It can be written as a sum of positive squares in 8 ways, for example, as 9615763600 + 2020835676721 = 98060^2 + 1421561^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030451440321 - 2²² = 2030447246017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030451440021) 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, 4312115 + ... + 4759751.

It is an arithmetic number, because the mean of its divisors is an integer number (129401178669).

Almost surely, 2^{2030451440321} is an apocalyptic number.

It is an amenable number.

2030451440321 is a deficient number, since it is larger than the sum of its proper divisors (39967418383).

2030451440321 is a wasteful number, since it uses less digits than its factorization.

2030451440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448180.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 2030451440321 its reverse (1230441540302), we get a palindrome (3260892980623).

The spelling of 2030451440321 in words is "two trillion, thirty billion, four hundred fifty-one million, four hundred forty thousand, three hundred twenty-one".