18301301830 has 32 divisors (see below), whose sum is σ = 37657799424. Its totient is φ = 6273164256.

The previous prime is 18301301789. The next prime is 18301301831. The reversal of 18301301830 is 3810310381.

It is a super-2 number, since 2×18301301830² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18301301831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269289 + ... + 330331.

It is an arithmetic number, because the mean of its divisors is an integer number (1176806232).

Almost surely, 2^18301301830 is an apocalyptic number.

18301301830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18301301830 is an abundant number, since it is smaller than the sum of its proper divisors (19356497594).

18301301830 is a wasteful number, since it uses less digits than its factorization.

18301301830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65340.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 18301301830 in words is "eighteen billion, three hundred one million, three hundred one thousand, eight hundred thirty".