30100869 has 32 divisors (see below), whose sum is σ = 47424000. Its totient is φ = 18833472.

The previous prime is 30100853. The next prime is 30100871. The reversal of 30100869 is 96800103.

It is not a de Polignac number, because 30100869 - 2⁴ = 30100853 is a prime.

It is a super-2 number, since 2×30100869² = 1812124629110322, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28452 + ... + 29490.

It is an arithmetic number, because the mean of its divisors is an integer number (1482000).

Almost surely, 2^30100869 is an apocalyptic number.

It is an amenable number.

30100869 is a deficient number, since it is larger than the sum of its proper divisors (17323131).

30100869 is a wasteful number, since it uses less digits than its factorization.

30100869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 30100869 is about 5486.4258857657. The cubic root of 30100869 is about 311.0711092796.

The spelling of 30100869 in words is "thirty million, one hundred thousand, eight hundred sixty-nine".