30497420338 has 16 divisors (see below), whose sum is σ = 57034137024. Its totient is φ = 11882111760.

The previous prime is 30497420273. The next prime is 30497420339. The reversal of 30497420338 is 83302479403.

It is a junction number, because it is equal to n+sod(n) for n = 30497420294 and 30497420303.

It is not an unprimeable number, because it can be changed into a prime (30497420339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99017445 + ... + 99017752.

It is an arithmetic number, because the mean of its divisors is an integer number (3564633564).

Almost surely, 2^30497420338 is an apocalyptic number.

30497420338 is a deficient number, since it is larger than the sum of its proper divisors (26536716686).

30497420338 is a wasteful number, since it uses less digits than its factorization.

30497420338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198035217.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 30497420338 in words is "thirty billion, four hundred ninety-seven million, four hundred twenty thousand, three hundred thirty-eight".