30303243201021 has 16 divisors (see below), whose sum is σ = 46176469504128. Its totient is φ = 17316101880000.

The previous prime is 30303243201013. The next prime is 30303243201029. The reversal of 30303243201021 is 12010234230303.

It is an interprime number because it is at equal distance from previous prime (30303243201013) and next prime (30303243201029).

It is not a de Polignac number, because 30303243201021 - 2³ = 30303243201013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30303243200982 and 30303243201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303243201029) 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, 10776171 + ... + 13294071.

It is an arithmetic number, because the mean of its divisors is an integer number (2886029344008).

Almost surely, 2^{30303243201021} is an apocalyptic number.

It is an amenable number.

30303243201021 is a deficient number, since it is larger than the sum of its proper divisors (15873226303107).

30303243201021 is a wasteful number, since it uses less digits than its factorization.

30303243201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091012.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30303243201021 its reverse (12010234230303), we get a palindrome (42313477431324).

The spelling of 30303243201021 in words is "thirty trillion, three hundred three billion, two hundred forty-three million, two hundred one thousand, twenty-one".