30311331000001 has 8 divisors (see below), whose sum is σ = 30652099668360. Its totient is φ = 29970566596608.

The previous prime is 30311330999981. The next prime is 30311331000023. The reversal of 30311331000001 is 10000013311303.

It can be written as a sum of positive squares in 4 ways, for example, as 19095020946225 + 11216310053776 = 4369785^2 + 3349076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30311331000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311331004001) 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 7 ways as a sum of consecutive naturals, for example, 14497585 + ... + 16456081.

It is an arithmetic number, because the mean of its divisors is an integer number (3831512458545).

Almost surely, 2^{30311331000001} is an apocalyptic number.

It is an amenable number.

30311331000001 is a deficient number, since it is larger than the sum of its proper divisors (340768668359).

30311331000001 is a wasteful number, since it uses less digits than its factorization.

30311331000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132483.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30311331000001 its reverse (10000013311303), we get a palindrome (40311344311304).

The spelling of 30311331000001 in words is "thirty trillion, three hundred eleven billion, three hundred thirty-one million, one", and thus it is an aban number.