30402303343140 has 24 divisors (see below), whose sum is σ = 85126449360960. Its totient is φ = 8107280891488.

The previous prime is 30402303343031. The next prime is 30402303343183. The reversal of 30402303343140 is 4134330320403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30402303343098 and 30402303343107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253352527800 + ... + 253352527919.

It is an arithmetic number, because the mean of its divisors is an integer number (3546935390040).

Almost surely, 2^{30402303343140} is an apocalyptic number.

30402303343140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30402303343140 is an abundant number, since it is smaller than the sum of its proper divisors (54724146017820).

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

30402303343140 is a wasteful number, since it uses less digits than its factorization.

30402303343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506705055731 (or 506705055729 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 30402303343140 its reverse (4134330320403), we get a palindrome (34536633663543).

The spelling of 30402303343140 in words is "thirty trillion, four hundred two billion, three hundred three million, three hundred forty-three thousand, one hundred forty".