30312301213 has 4 divisors (see below), whose sum is σ = 30957243840. Its totient is φ = 29667358588.

The previous prime is 30312301211. The next prime is 30312301237. The reversal of 30312301213 is 31210321303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30312301213 - 2¹ = 30312301211 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 (30312301211) 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, 322471243 + ... + 322471336.

It is an arithmetic number, because the mean of its divisors is an integer number (7739310960).

Almost surely, 2^30312301213 is an apocalyptic number.

It is an amenable number.

30312301213 is a deficient number, since it is larger than the sum of its proper divisors (644942627).

30312301213 is an equidigital number, since it uses as much as digits as its factorization.

30312301213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644942626.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30312301213 its reverse (31210321303), we get a palindrome (61522622516).

The spelling of 30312301213 in words is "thirty billion, three hundred twelve million, three hundred one thousand, two hundred thirteen".