30343420140 has 96 divisors (see below), whose sum is σ = 93027916800. Its totient is φ = 7328793600.

The previous prime is 30343420117. The next prime is 30343420153. The reversal of 30343420140 is 4102434303.

It is a super-4 number, since 4×30343420140⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30343420140.

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, 94036 + ... + 263684.

It is an arithmetic number, because the mean of its divisors is an integer number (969040800).

Almost surely, 2^30343420140 is an apocalyptic number.

30343420140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30343420140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46513958400).

30343420140 is an abundant number, since it is smaller than the sum of its proper divisors (62684496660).

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

30343420140 is a wasteful number, since it uses less digits than its factorization.

30343420140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169943 (or 169941 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30343420140 its reverse (4102434303), we get a palindrome (34445854443).

The spelling of 30343420140 in words is "thirty billion, three hundred forty-three million, four hundred twenty thousand, one hundred forty".