30311130 has 32 divisors (see below), whose sum is σ = 74441664. Its totient is φ = 7894656.

The previous prime is 30311129. The next prime is 30311147. The reversal of 30311130 is 3111303.

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 15 ways as a sum of consecutive naturals, for example, 10459 + ... + 13038.

It is an arithmetic number, because the mean of its divisors is an integer number (2326302).

Almost surely, 2^30311130 is an apocalyptic number.

30311130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30311130 is an abundant number, since it is smaller than the sum of its proper divisors (44130534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30311130 is a wasteful number, since it uses less digits than its factorization.

30311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23550.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 30311130 is about 5505.5544679896. The cubic root of 30311130 is about 311.7937287146.

Adding to 30311130 its reverse (3111303), we get a palindrome (33422433).

The spelling of 30311130 in words is "thirty million, three hundred eleven thousand, one hundred thirty".