30520450334 has 8 divisors (see below), whose sum is σ = 49942555128. Its totient is φ = 13872931960.

The previous prime is 30520450333. The next prime is 30520450349. The reversal of 30520450334 is 43305402503.

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

It is a junction number, because it is equal to n+sod(n) for n = 30520450297 and 30520450306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520450333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693646577 + ... + 693646620.

It is an arithmetic number, because the mean of its divisors is an integer number (6242819391).

Almost surely, 2^30520450334 is an apocalyptic number.

30520450334 is a deficient number, since it is larger than the sum of its proper divisors (19422104794).

30520450334 is a wasteful number, since it uses less digits than its factorization.

30520450334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387293210.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 30520450334 its reverse (43305402503), we get a palindrome (73825852837).

The spelling of 30520450334 in words is "thirty billion, five hundred twenty million, four hundred fifty thousand, three hundred thirty-four".