30210140454205 has 16 divisors (see below), whose sum is σ = 37136702737008. Its totient is φ = 23578433536000.

The previous prime is 30210140454149. The next prime is 30210140454209. The reversal of 30210140454205 is 50245404101203.

It can be written as a sum of positive squares in 8 ways, for example, as 6318114579396 + 23892025874809 = 2513586^2 + 4887947^2 .

It is not a de Polignac number, because 30210140454205 - 2²⁵ = 30210106899773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30210140454209) 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, 24423045 + ... + 25630165.

It is an arithmetic number, because the mean of its divisors is an integer number (2321043921063).

Almost surely, 2^{30210140454205} is an apocalyptic number.

It is an amenable number.

30210140454205 is a deficient number, since it is larger than the sum of its proper divisors (6926562282803).

30210140454205 is a wasteful number, since it uses less digits than its factorization.

30210140454205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329248.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 30210140454205 its reverse (50245404101203), we get a palindrome (80455544555408).

The spelling of 30210140454205 in words is "thirty trillion, two hundred ten billion, one hundred forty million, four hundred fifty-four thousand, two hundred five".