30140031011 has 4 divisors (see below), whose sum is σ = 30141153000. Its totient is φ = 30138909024.

The previous prime is 30140031007. The next prime is 30140031029. The reversal of 30140031011 is 11013004103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11013004103 = 18503 ⋅595201.

It is a cyclic number.

It is not a de Polignac number, because 30140031011 - 2² = 30140031007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30140031041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519686 + ... + 574763.

It is an arithmetic number, because the mean of its divisors is an integer number (7535288250).

Almost surely, 2^30140031011 is an apocalyptic number.

30140031011 is a deficient number, since it is larger than the sum of its proper divisors (1121989).

30140031011 is a wasteful number, since it uses less digits than its factorization.

30140031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121988.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30140031011 its reverse (11013004103), we get a palindrome (41153035114).

The spelling of 30140031011 in words is "thirty billion, one hundred forty million, thirty-one thousand, eleven".