30140020334 has 32 divisors (see below), whose sum is σ = 47692260000. Its totient is φ = 14264691840.

The previous prime is 30140020333. The next prime is 30140020349. The reversal of 30140020334 is 43302004103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140020333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072292 + ... + 1100040.

It is an arithmetic number, because the mean of its divisors is an integer number (1490383125).

Almost surely, 2^30140020334 is an apocalyptic number.

30140020334 is a deficient number, since it is larger than the sum of its proper divisors (17552239666).

30140020334 is a wasteful number, since it uses less digits than its factorization.

30140020334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28148.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30140020334 its reverse (43302004103), we get a palindrome (73442024437).

The spelling of 30140020334 in words is "thirty billion, one hundred forty million, twenty thousand, three hundred thirty-four".