30842130340 has 96 divisors (see below), whose sum is σ = 74833920000. Its totient is φ = 10458854784.

The previous prime is 30842130331. The next prime is 30842130349. The reversal of 30842130340 is 4303124803.

It is an interprime number because it is at equal distance from previous prime (30842130331) and next prime (30842130349).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 30842130299 and 30842130308.

It is not an unprimeable number, because it can be changed into a prime (30842130349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6167161 + ... + 6172159.

It is an arithmetic number, because the mean of its divisors is an integer number (779520000).

Almost surely, 2^30842130340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30842130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37416960000).

30842130340 is an abundant number, since it is smaller than the sum of its proper divisors (43991789660).

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

30842130340 is a wasteful number, since it uses less digits than its factorization.

30842130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489 (or 5487 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 30842130340 in words is "thirty billion, eight hundred forty-two million, one hundred thirty thousand, three hundred forty".