30350121544 has 8 divisors (see below), whose sum is σ = 56906477910. Its totient is φ = 15175060768.

The previous prime is 30350121521. The next prime is 30350121587. The reversal of 30350121544 is 44512105303.

It can be written as a sum of positive squares in only one way, i.e., 26581389444 + 3768732100 = 163038^2 + 61390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×30350121544² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1896882589 + ... + 1896882604.

Almost surely, 2^30350121544 is an apocalyptic number.

It is an amenable number.

30350121544 is a deficient number, since it is larger than the sum of its proper divisors (26556356366).

30350121544 is a wasteful number, since it uses less digits than its factorization.

30350121544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793765199 (or 3793765195 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 30350121544 its reverse (44512105303), we get a palindrome (74862226847).

The spelling of 30350121544 in words is "thirty billion, three hundred fifty million, one hundred twenty-one thousand, five hundred forty-four".