30013689771 has 48 divisors (see below), whose sum is σ = 51029072640. Its totient is φ = 16822702080.

The previous prime is 30013689697. The next prime is 30013689791. The reversal of 30013689771 is 17798631003.

It is not a de Polignac number, because 30013689771 - 2⁹ = 30013689259 is a prime.

It is a super-4 number, since 4×30013689771⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (30013689791) 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 47 ways as a sum of consecutive naturals, for example, 181726 + ... + 305043.

It is an arithmetic number, because the mean of its divisors is an integer number (1063105680).

Almost surely, 2^30013689771 is an apocalyptic number.

30013689771 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30013689771 is a deficient number, since it is larger than the sum of its proper divisors (21015382869).

30013689771 is a wasteful number, since it uses less digits than its factorization.

30013689771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486836 (or 486833 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 30013689771 in words is "thirty billion, thirteen million, six hundred eighty-nine thousand, seven hundred seventy-one".