30231920250 has 512 divisors, whose sum is σ = 103287674880. Its totient is φ = 6386688000.

The previous prime is 30231920237. The next prime is 30231920363. The reversal of 30231920250 is 5202913203.

30231920250 is a `hidden beast` number, since 302 + 319 + 20 + 25 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 48997942 + ... + 48998558.

It is an arithmetic number, because the mean of its divisors is an integer number (201733740).

Almost surely, 2^30231920250 is an apocalyptic number.

30231920250 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 30231920250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51643837440).

30231920250 is an abundant number, since it is smaller than the sum of its proper divisors (73055754630).

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

30231920250 is a wasteful number, since it uses less digits than its factorization.

30231920250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 30231920250 in words is "thirty billion, two hundred thirty-one million, nine hundred twenty thousand, two hundred fifty".