18301130 has 8 divisors (see below), whose sum is σ = 32942052. Its totient is φ = 7320448.

The previous prime is 18301111. The next prime is 18301133. The reversal of 18301130 is 3110381.

It can be written as a sum of positive squares in 2 ways, for example, as 16834609 + 1466521 = 4103^2 + 1211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18301099 and 18301108.

It is not an unprimeable number, because it can be changed into a prime (18301133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915047 + ... + 915066.

Almost surely, 2^18301130 is an apocalyptic number.

18301130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18301130 is a deficient number, since it is larger than the sum of its proper divisors (14640922).

18301130 is a wasteful number, since it uses less digits than its factorization.

18301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830120.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 18301130 is about 4277.9820008972. The cubic root of 18301130 is about 263.5275161588.

The spelling of 18301130 in words is "eighteen million, three hundred one thousand, one hundred thirty".