30361081 has 8 divisors (see below), whose sum is σ = 31775040. Its totient is φ = 28954992.

The previous prime is 30361073. The next prime is 30361087. The reversal of 30361081 is 18016303.

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 30361081 - 2³ = 30361073 is a prime.

It is a super-2 number, since 2×30361081² = 1843590478977122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30361087) 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, 6810 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (3971880).

Almost surely, 2^30361081 is an apocalyptic number.

It is an amenable number.

30361081 is a deficient number, since it is larger than the sum of its proper divisors (1413959).

30361081 is a wasteful number, since it uses less digits than its factorization.

30361081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 30361081 is about 5510.0890192446. The cubic root of 30361081 is about 311.9649074326.

Adding to 30361081 its reverse (18016303), we get a palindrome (48377384).

The spelling of 30361081 in words is "thirty million, three hundred sixty-one thousand, eighty-one".