30520356241 has 24 divisors (see below), whose sum is σ = 35050263680. Its totient is φ = 26477528832.

The previous prime is 30520356221. The next prime is 30520356247. The reversal of 30520356241 is 14265302503.

It is a happy number.

It is not a de Polignac number, because 30520356241 - 2²⁷ = 30386138513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30520356247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128056 + ... + 278278.

Almost surely, 2^30520356241 is an apocalyptic number.

It is an amenable number.

30520356241 is a deficient number, since it is larger than the sum of its proper divisors (4529907439).

30520356241 is a wasteful number, since it uses less digits than its factorization.

30520356241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150313 (or 150296 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 30520356241 its reverse (14265302503), we get a palindrome (44785658744).

The spelling of 30520356241 in words is "thirty billion, five hundred twenty million, three hundred fifty-six thousand, two hundred forty-one".