30312001201 has 4 divisors (see below), whose sum is σ = 30312884772. Its totient is φ = 30311117632.

The previous prime is 30312001199. The next prime is 30312001219. The reversal of 30312001201 is 10210021303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10210021303 = 1039 ⋅9826777.

It can be written as a sum of positive squares in 2 ways, for example, as 19446023601 + 10865977600 = 139449^2 + 104240^2 .

It is a cyclic number.

It is not a de Polignac number, because 30312001201 - 2¹ = 30312001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312001901) 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, 388156 + ... + 459661.

It is an arithmetic number, because the mean of its divisors is an integer number (7578221193).

Almost surely, 2^30312001201 is an apocalyptic number.

It is an amenable number.

30312001201 is a deficient number, since it is larger than the sum of its proper divisors (883571).

30312001201 is an equidigital number, since it uses as much as digits as its factorization.

30312001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883570.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30312001201 its reverse (10210021303), we get a palindrome (40522022504).

The spelling of 30312001201 in words is "thirty billion, three hundred twelve million, one thousand, two hundred one".