30400101 has 12 divisors (see below), whose sum is σ = 43967040. Its totient is φ = 20241000.

The previous prime is 30400099. The next prime is 30400103. The reversal of 30400101 is 10100403.

It is an interprime number because it is at equal distance from previous prime (30400099) and next prime (30400103).

It is not a de Polignac number, because 30400101 - 2¹ = 30400099 is a prime.

It is a super-2 number, since 2×30400101² = 1848332281620402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7726 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (3663920).

Almost surely, 2^30400101 is an apocalyptic number.

It is an amenable number.

30400101 is a deficient number, since it is larger than the sum of its proper divisors (13566939).

30400101 is a wasteful number, since it uses less digits than its factorization.

30400101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30400101 is about 5513.6286599661. The cubic root of 30400101 is about 312.0984957762.

Adding to 30400101 its reverse (10100403), we get a palindrome (40500504).

The spelling of 30400101 in words is "thirty million, four hundred thousand, one hundred one".