30698680320 has 1248 divisors, whose sum is σ = 139841994240. Its totient is φ = 6317015040.

The previous prime is 30698680319. The next prime is 30698680351. The reversal of 30698680320 is 2308689603.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 298045389 + ... + 298045491.

It is an arithmetic number, because the mean of its divisors is an integer number (112052880).

Almost surely, 2^30698680320 is an apocalyptic number.

30698680320 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 30698680320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69920997120).

30698680320 is an abundant number, since it is smaller than the sum of its proper divisors (109143313920).

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

30698680320 is a wasteful number, since it uses less digits than its factorization.

30698680320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 30698680320 in words is "thirty billion, six hundred ninety-eight million, six hundred eighty thousand, three hundred twenty".