30520015014442 has 16 divisors (see below), whose sum is σ = 45890534940840. Its totient is φ = 15223212209088.

The previous prime is 30520015014407. The next prime is 30520015014473. The reversal of 30520015014442 is 24441051002503.

It can be written as a sum of positive squares in 4 ways, for example, as 30336753110161 + 183261904281 = 5507881^2 + 428091^2 .

It is a super-2 number, since 2×30520015014442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9095433 + ... + 11990284.

Almost surely, 2^{30520015014442} is an apocalyptic number.

30520015014442 is a deficient number, since it is larger than the sum of its proper divisors (15370519926398).

30520015014442 is a wasteful number, since it uses less digits than its factorization.

30520015014442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21087465.

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

Adding to 30520015014442 its reverse (24441051002503), we get a palindrome (54961066016945).

The spelling of 30520015014442 in words is "thirty trillion, five hundred twenty billion, fifteen million, fourteen thousand, four hundred forty-two".