30116155 has 8 divisors (see below), whose sum is σ = 36471600. Its totient is φ = 23871456.

The previous prime is 30116153. The next prime is 30116161. The reversal of 30116155 is 55161103.

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 30116155 - 2¹ = 30116153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30116153) 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, 27085 + ... + 28174.

It is an arithmetic number, because the mean of its divisors is an integer number (4558950).

Almost surely, 2^30116155 is an apocalyptic number.

30116155 is a deficient number, since it is larger than the sum of its proper divisors (6355445).

30116155 is a wasteful number, since it uses less digits than its factorization.

30116155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55373.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 30116155 is about 5487.8187834512. The cubic root of 30116155 is about 311.1237570209.

Adding to 30116155 its reverse (55161103), we get a palindrome (85277258).

The spelling of 30116155 in words is "thirty million, one hundred sixteen thousand, one hundred fifty-five".