30430302140 has 48 divisors (see below), whose sum is σ = 73182853632. Its totient is φ = 10411799616.

The previous prime is 30430302121. The next prime is 30430302197. The reversal of 30430302140 is 4120303403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154982 + ... + 291341.

It is an arithmetic number, because the mean of its divisors is an integer number (1524642784).

Almost surely, 2^30430302140 is an apocalyptic number.

It is an amenable number.

30430302140 is an abundant number, since it is smaller than the sum of its proper divisors (42752551492).

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

30430302140 is a wasteful number, since it uses less digits than its factorization.

30430302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446826 (or 446824 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30430302140 its reverse (4120303403), we get a palindrome (34550605543).

The spelling of 30430302140 in words is "thirty billion, four hundred thirty million, three hundred two thousand, one hundred forty".