30203134321242 has 16 divisors (see below), whose sum is σ = 60407083622592. Its totient is φ = 10067575610400.

The previous prime is 30203134321187. The next prime is 30203134321247. The reversal of 30203134321242 is 24212343130203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30203134321247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33475198 + ... + 34365609.

It is an arithmetic number, because the mean of its divisors is an integer number (3775442726412).

Almost surely, 2^{30203134321242} is an apocalyptic number.

30203134321242 is an abundant number, since it is smaller than the sum of its proper divisors (30203949301350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30203134321242 is a wasteful number, since it uses less digits than its factorization.

30203134321242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67915013.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 30203134321242 its reverse (24212343130203), we get a palindrome (54415477451445).

The spelling of 30203134321242 in words is "thirty trillion, two hundred three billion, one hundred thirty-four million, three hundred twenty-one thousand, two hundred forty-two".