2131330030993 has 4 divisors (see below), whose sum is σ = 2131929227700. Its totient is φ = 2130730834288.

The previous prime is 2131330030981. The next prime is 2131330030997. The reversal of 2131330030993 is 3990300331312.

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 199207790929 + 1932122240064 = 446327^2 + 1390008^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131330030993 - 2¹⁷ = 2131329899921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131330030997) 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, 299593018 + ... + 299600131.

It is an arithmetic number, because the mean of its divisors is an integer number (532982306925).

Almost surely, 2^{2131330030993} is an apocalyptic number.

It is an amenable number.

2131330030993 is a deficient number, since it is larger than the sum of its proper divisors (599196707).

2131330030993 is an equidigital number, since it uses as much as digits as its factorization.

2131330030993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599196706.

The product of its (nonzero) digits is 39366, while the sum is 37.

The spelling of 2131330030993 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, thirty thousand, nine hundred ninety-three".