30140323440203 has 4 divisors (see below), whose sum is σ = 30140334490560. Its totient is φ = 30140312389848.

The previous prime is 30140323440193. The next prime is 30140323440209. The reversal of 30140323440203 is 30204432304103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30140323440203 - 2¹⁰ = 30140323439179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30140323440209) 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, 1829126 + ... + 7976612.

It is an arithmetic number, because the mean of its divisors is an integer number (7535083622640).

Almost surely, 2^{30140323440203} is an apocalyptic number.

30140323440203 is a deficient number, since it is larger than the sum of its proper divisors (11050357).

30140323440203 is an equidigital number, since it uses as much as digits as its factorization.

30140323440203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050356.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30140323440203 its reverse (30204432304103), we get a palindrome (60344755744306).

The spelling of 30140323440203 in words is "thirty trillion, one hundred forty billion, three hundred twenty-three million, four hundred forty thousand, two hundred three".