30700115 has 4 divisors (see below), whose sum is σ = 36840144. Its totient is φ = 24560088.

The previous prime is 30700099. The next prime is 30700139. The reversal of 30700115 is 51100703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51100703 = 47 ⋅1087249.

It is a cyclic number.

It is not a de Polignac number, because 30700115 - 2⁴ = 30700099 is a prime.

It is a super-2 number, since 2×30700115² = 1884994122026450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30700093 and 30700102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3070007 + ... + 3070016.

It is an arithmetic number, because the mean of its divisors is an integer number (9210036).

Almost surely, 2^30700115 is an apocalyptic number.

30700115 is a deficient number, since it is larger than the sum of its proper divisors (6140029).

30700115 is an equidigital number, since it uses as much as digits as its factorization.

30700115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140028.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 30700115 is about 5540.7684485096. The cubic root of 30700115 is about 313.1218210627.

Adding to 30700115 its reverse (51100703), we get a palindrome (81800818).

The spelling of 30700115 in words is "thirty million, seven hundred thousand, one hundred fifteen".