30285731698 has 16 divisors (see below), whose sum is σ = 45685953720. Its totient is φ = 15057289216.

The previous prime is 30285731683. The next prime is 30285731699. The reversal of 30285731698 is 89613758203.

It can be written as a sum of positive squares in 4 ways, for example, as 20089377169 + 10196354529 = 141737^2 + 100977^2 .

It is a super-3 number, since 3×30285731698³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30285731699) 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 7 ways as a sum of consecutive naturals, for example, 240690 + ... + 344242.

Almost surely, 2^30285731698 is an apocalyptic number.

30285731698 is a deficient number, since it is larger than the sum of its proper divisors (15400222022).

30285731698 is a wasteful number, since it uses less digits than its factorization.

30285731698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104381.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 30285731698 in words is "thirty billion, two hundred eighty-five million, seven hundred thirty-one thousand, six hundred ninety-eight".