30031061730 has 32 divisors (see below), whose sum is σ = 72079447104. Its totient is φ = 8007738816.

The previous prime is 30031061719. The next prime is 30031061807. The reversal of 30031061730 is 3716013003.

It is a self number, because there is not a number n which added to its sum of digits gives 30031061730.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 622249 + ... + 668771.

It is an arithmetic number, because the mean of its divisors is an integer number (2252482722).

Almost surely, 2^30031061730 is an apocalyptic number.

30031061730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30031061730 is an abundant number, since it is smaller than the sum of its proper divisors (42048385374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031061730 is a wasteful number, since it uses less digits than its factorization.

30031061730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68050.

The product of its (nonzero) digits is 1134, while the sum is 24.

Adding to 30031061730 its reverse (3716013003), we get a palindrome (33747074733).

The spelling of 30031061730 in words is "thirty billion, thirty-one million, sixty-one thousand, seven hundred thirty".