30250000081 has 8 divisors (see below), whose sum is σ = 35306991360. Its totient is φ = 25376899488.

The previous prime is 30250000037. The next prime is 30250000091. The reversal of 30250000081 is 18000005203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30250000081 - 2²³ = 30241611473 is a prime.

It is a super-2 number, since 2×30250000081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30250000091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45972316 + ... + 45972973.

It is an arithmetic number, because the mean of its divisors is an integer number (4413373920).

Almost surely, 2^30250000081 is an apocalyptic number.

It is an amenable number.

30250000081 is a deficient number, since it is larger than the sum of its proper divisors (5056991279).

30250000081 is an equidigital number, since it uses as much as digits as its factorization.

30250000081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91945343.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 30250000081 its reverse (18000005203), we get a palindrome (48250005284).

The spelling of 30250000081 in words is "thirty billion, two hundred fifty million, eighty-one", and thus it is an aban number.