30040031033321 has 4 divisors (see below), whose sum is σ = 30095557893444. Its totient is φ = 29984504173200.

The previous prime is 30040031033303. The next prime is 30040031033393. The reversal of 30040031033321 is 12333013004003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8622239413225 + 21417791620096 = 2936365^2 + 4627936^2 .

It is a cyclic number.

It is not a de Polignac number, because 30040031033321 - 2¹⁴ = 30040031016937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30040031033021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27763429250 + ... + 27763430331.

It is an arithmetic number, because the mean of its divisors is an integer number (7523889473361).

Almost surely, 2^{30040031033321} is an apocalyptic number.

It is an amenable number.

30040031033321 is a deficient number, since it is larger than the sum of its proper divisors (55526860123).

30040031033321 is an equidigital number, since it uses as much as digits as its factorization.

30040031033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55526860122.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30040031033321 its reverse (12333013004003), we get a palindrome (42373044037324).

The spelling of 30040031033321 in words is "thirty trillion, forty billion, thirty-one million, thirty-three thousand, three hundred twenty-one".