203030272730 has 8 divisors (see below), whose sum is σ = 365454490932. Its totient is φ = 81212109088.

The previous prime is 203030272727. The next prime is 203030272733. The reversal of 203030272730 is 37272030302.

203030272730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203030272727) and next prime (203030272733).

It can be written as a sum of positive squares in 2 ways, for example, as 178294218001 + 24736054729 = 422249^2 + 157277^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 203030272693 and 203030272702.

It is not an unprimeable number, because it can be changed into a prime (203030272733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151513627 + ... + 10151513646.

Almost surely, 2^203030272730 is an apocalyptic number.

203030272730 is a deficient number, since it is larger than the sum of its proper divisors (162424218202).

203030272730 is a wasteful number, since it uses less digits than its factorization.

203030272730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303027280.

The product of its (nonzero) digits is 10584, while the sum is 29.

The spelling of 203030272730 in words is "two hundred three billion, thirty million, two hundred seventy-two thousand, seven hundred thirty".