30134553204421 has 4 divisors (see below), whose sum is σ = 30134885096844. Its totient is φ = 30134221312000.

The previous prime is 30134553204367. The next prime is 30134553204491. The reversal of 30134553204421 is 12440235543103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27016189244100 + 3118363960321 = 5197710^2 + 1765889^2 .

It is a cyclic number.

It is not a de Polignac number, because 30134553204421 - 2⁴³ = 21338460182213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134553204491) 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, 165809980 + ... + 165991621.

It is an arithmetic number, because the mean of its divisors is an integer number (7533721274211).

Almost surely, 2^{30134553204421} is an apocalyptic number.

It is an amenable number.

30134553204421 is a deficient number, since it is larger than the sum of its proper divisors (331892423).

30134553204421 is an equidigital number, since it uses as much as digits as its factorization.

30134553204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331892422.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 30134553204421 its reverse (12440235543103), we get a palindrome (42574788747524).

The spelling of 30134553204421 in words is "thirty trillion, one hundred thirty-four billion, five hundred fifty-three million, two hundred four thousand, four hundred twenty-one".