30100855 has 8 divisors (see below), whose sum is σ = 36273600. Its totient is φ = 23978976.

The previous prime is 30100853. The next prime is 30100871. The reversal of 30100855 is 55800103.

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 30100855 - 2¹ = 30100853 is a prime.

It is a super-2 number, since 2×30100855² = 1812122943462050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11400 + ... + 13789.

It is an arithmetic number, because the mean of its divisors is an integer number (4534200).

Almost surely, 2^30100855 is an apocalyptic number.

30100855 is a deficient number, since it is larger than the sum of its proper divisors (6172745).

30100855 is a wasteful number, since it uses less digits than its factorization.

30100855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25433.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 30100855 is about 5486.4246098894. The cubic root of 30100855 is about 311.0710610529.

Adding to 30100855 its reverse (55800103), we get a palindrome (85900958).

The spelling of 30100855 in words is "thirty million, one hundred thousand, eight hundred fifty-five".