309302930938 has 16 divisors (see below), whose sum is σ = 479921732640. Its totient is φ = 149389160976.

The previous prime is 309302930929. The next prime is 309302930987. The reversal of 309302930938 is 839039203903.

It is a junction number, because it is equal to n+sod(n) for n = 309302930891 and 309302930900.

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, 15024856 + ... + 15045427.

It is an arithmetic number, because the mean of its divisors is an integer number (29995108290).

Almost surely, 2^309302930938 is an apocalyptic number.

309302930938 is a deficient number, since it is larger than the sum of its proper divisors (170618801702).

309302930938 is a wasteful number, since it uses less digits than its factorization.

309302930938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30070461.

The product of its (nonzero) digits is 944784, while the sum is 49.

The spelling of 309302930938 in words is "three hundred nine billion, three hundred two million, nine hundred thirty thousand, nine hundred thirty-eight".