30198251885 has 8 divisors (see below), whose sum is σ = 36255934176. Its totient is φ = 24146580240.

The previous prime is 30198251789. The next prime is 30198251891. The reversal of 30198251885 is 58815289103.

It is a happy number.

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

It is not a de Polignac number, because 30198251885 - 2¹⁶ = 30198186349 is a prime.

It is a super-3 number, since 3×30198251885³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491599 + ... + 1511708.

It is an arithmetic number, because the mean of its divisors is an integer number (4531991772).

Almost surely, 2^30198251885 is an apocalyptic number.

It is an amenable number.

30198251885 is a deficient number, since it is larger than the sum of its proper divisors (6057682291).

30198251885 is a wasteful number, since it uses less digits than its factorization.

30198251885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005323.

The product of its (nonzero) digits is 691200, while the sum is 50.

The spelling of 30198251885 in words is "thirty billion, one hundred ninety-eight million, two hundred fifty-one thousand, eight hundred eighty-five".