30400111 has 16 divisors (see below), whose sum is σ = 35956224. Its totient is φ = 25163424.

The previous prime is 30400109. The next prime is 30400127. The reversal of 30400111 is 11100403.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30400111 - 2¹ = 30400109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24246 + ... + 25468.

It is an arithmetic number, because the mean of its divisors is an integer number (2247264).

Almost surely, 2^30400111 is an apocalyptic number.

30400111 is a deficient number, since it is larger than the sum of its proper divisors (5556113).

30400111 is a wasteful number, since it uses less digits than its factorization.

30400111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30400111 is about 5513.6295668099. The cubic root of 30400111 is about 312.0985299974.

Adding to 30400111 its reverse (11100403), we get a palindrome (41500514).

The spelling of 30400111 in words is "thirty million, four hundred thousand, one hundred eleven".