30212013310321 has 4 divisors (see below), whose sum is σ = 30267858067444. Its totient is φ = 30156168553200.

The previous prime is 30212013310307. The next prime is 30212013310421. The reversal of 30212013310321 is 12301331021203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11555315274721 + 18656698035600 = 3399311^2 + 4319340^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212013310321 - 2⁹ = 30212013309809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212013310292 and 30212013310301.

It is not an unprimeable number, because it can be changed into a prime (30212013310301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27922377750 + ... + 27922378831.

It is an arithmetic number, because the mean of its divisors is an integer number (7566964516861).

Almost surely, 2^{30212013310321} is an apocalyptic number.

It is an amenable number.

30212013310321 is a deficient number, since it is larger than the sum of its proper divisors (55844757123).

30212013310321 is an equidigital number, since it uses as much as digits as its factorization.

30212013310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55844757122.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30212013310321 its reverse (12301331021203), we get a palindrome (42513344331524).

The spelling of 30212013310321 in words is "thirty trillion, two hundred twelve billion, thirteen million, three hundred ten thousand, three hundred twenty-one".