30243121042 has 8 divisors (see below), whose sum is σ = 45813837132. Its totient is φ = 14971842000.

The previous prime is 30243121031. The next prime is 30243121093. The reversal of 30243121042 is 24012134203.

It can be written as a sum of positive squares in 2 ways, for example, as 24583417681 + 5659703361 = 156791^2 + 75231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30243121042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74859009 + ... + 74859412.

Almost surely, 2^30243121042 is an apocalyptic number.

30243121042 is a deficient number, since it is larger than the sum of its proper divisors (15570716090).

30243121042 is a wasteful number, since it uses less digits than its factorization.

30243121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149718524.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30243121042 its reverse (24012134203), we get a palindrome (54255255245).

The spelling of 30243121042 in words is "thirty billion, two hundred forty-three million, one hundred twenty-one thousand, forty-two".