30513202350 has 96 divisors (see below), whose sum is σ = 78451835904. Its totient is φ = 7840300800.

The previous prime is 30513202309. The next prime is 30513202367. The reversal of 30513202350 is 5320231503.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30513202350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1069369 + ... + 1097531.

It is an arithmetic number, because the mean of its divisors is an integer number (817206624).

Almost surely, 2^30513202350 is an apocalyptic number.

30513202350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30513202350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39225917952).

30513202350 is an abundant number, since it is smaller than the sum of its proper divisors (47938633554).

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

30513202350 is a wasteful number, since it uses less digits than its factorization.

30513202350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28442 (or 28437 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 30513202350 its reverse (5320231503), we get a palindrome (35833433853).

The spelling of 30513202350 in words is "thirty billion, five hundred thirteen million, two hundred two thousand, three hundred fifty".