30303063688 has 8 divisors (see below), whose sum is σ = 56818244430. Its totient is φ = 15151531840.

The previous prime is 30303063667. The next prime is 30303063689. The reversal of 30303063688 is 88636030303.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22958916484 + 7344147204 = 151522^2 + 85698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×30303063688² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30303063688.

It is not an unprimeable number, because it can be changed into a prime (30303063689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893941473 + ... + 1893941488.

Almost surely, 2^30303063688 is an apocalyptic number.

It is an amenable number.

30303063688 is a deficient number, since it is larger than the sum of its proper divisors (26515180742).

30303063688 is a wasteful number, since it uses less digits than its factorization.

30303063688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787882967 (or 3787882963 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 30303063688 in words is "thirty billion, three hundred three million, sixty-three thousand, six hundred eighty-eight".