30312212313013 has 8 divisors (see below), whose sum is σ = 30322768343000. Its totient is φ = 30301656691968.

The previous prime is 30312212313011. The next prime is 30312212313049. The reversal of 30312212313013 is 31031321221303.

It can be written as a sum of positive squares in 4 ways, for example, as 470104952164 + 29842107360849 = 685642^2 + 5462793^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30312212313013 - 2¹ = 30312212313011 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 (30312212313011) 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, 263781673 + ... + 263896561.

It is an arithmetic number, because the mean of its divisors is an integer number (3790346042875).

Almost surely, 2^{30312212313013} is an apocalyptic number.

It is an amenable number.

30312212313013 is a deficient number, since it is larger than the sum of its proper divisors (10556029987).

30312212313013 is a wasteful number, since it uses less digits than its factorization.

30312212313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204471.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30312212313013 its reverse (31031321221303), we get a palindrome (61343533534316).

The spelling of 30312212313013 in words is "thirty trillion, three hundred twelve billion, two hundred twelve million, three hundred thirteen thousand, thirteen".