30309697148 has 12 divisors (see below), whose sum is σ = 54475537032. Its totient is φ = 14745258000.

The previous prime is 30309697147. The next prime is 30309697181. The reversal of 30309697148 is 84179690303.

It is a junction number, because it is equal to n+sod(n) for n = 30309697096 and 30309697105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30309697147) 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, 102397478 + ... + 102397773.

It is an arithmetic number, because the mean of its divisors is an integer number (4539628086).

Almost surely, 2^30309697148 is an apocalyptic number.

It is an amenable number.

30309697148 is a deficient number, since it is larger than the sum of its proper divisors (24165839884).

30309697148 is a wasteful number, since it uses less digits than its factorization.

30309697148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204795292 (or 204795290 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 30309697148 in words is "thirty billion, three hundred nine million, six hundred ninety-seven thousand, one hundred forty-eight".