30311030020001 has 4 divisors (see below), whose sum is σ = 30311395309332. Its totient is φ = 30310664730672.

The previous prime is 30311030019973. The next prime is 30311030020049. The reversal of 30311030020001 is 10002003011303.

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 21744725439376 + 8566304580625 = 4663124^2 + 2926825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30311030020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311030020501) 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 3 ways as a sum of consecutive naturals, for example, 182520170 + ... + 182686163.

It is an arithmetic number, because the mean of its divisors is an integer number (7577848827333).

Almost surely, 2^{30311030020001} is an apocalyptic number.

It is an amenable number.

30311030020001 is a deficient number, since it is larger than the sum of its proper divisors (365289331).

30311030020001 is an equidigital number, since it uses as much as digits as its factorization.

30311030020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365289330.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30311030020001 its reverse (10002003011303), we get a palindrome (40313033031304).

The spelling of 30311030020001 in words is "thirty trillion, three hundred eleven billion, thirty million, twenty thousand, one".