30400303021 has 8 divisors (see below), whose sum is σ = 33170781600. Its totient is φ = 27630960240.

The previous prime is 30400303001. The next prime is 30400303027. The reversal of 30400303021 is 12030300403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30400303021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30400302986 and 30400303004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400303027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227491 + ... + 335488.

It is an arithmetic number, because the mean of its divisors is an integer number (4146347700).

Almost surely, 2^30400303021 is an apocalyptic number.

It is an amenable number.

30400303021 is a deficient number, since it is larger than the sum of its proper divisors (2770478579).

30400303021 is a wasteful number, since it uses less digits than its factorization.

30400303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567899.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30400303021 its reverse (12030300403), we get a palindrome (42430603424).

The spelling of 30400303021 in words is "thirty billion, four hundred million, three hundred three thousand, twenty-one".