30310497140 has 96 divisors (see below), whose sum is σ = 84026605824. Its totient is φ = 8891688960.

The previous prime is 30310497121. The next prime is 30310497167. The reversal of 30310497140 is 4179401303.

It is a junction number, because it is equal to n+sod(n) for n = 30310497097 and 30310497106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552707 + ... + 605066.

It is an arithmetic number, because the mean of its divisors is an integer number (875277144).

Almost surely, 2^30310497140 is an apocalyptic number.

It is an amenable number.

30310497140 is an abundant number, since it is smaller than the sum of its proper divisors (53716108684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30310497140 is a wasteful number, since it uses less digits than its factorization.

30310497140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157817 (or 1157815 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 30310497140 its reverse (4179401303), we get a palindrome (34489898443).

The spelling of 30310497140 in words is "thirty billion, three hundred ten million, four hundred ninety-seven thousand, one hundred forty".