30312131220301 has 4 divisors (see below), whose sum is σ = 34642435680352. Its totient is φ = 25981826760252.

The previous prime is 30312131220289. The next prime is 30312131220311. The reversal of 30312131220301 is 10302213121303.

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 30312131220301 - 2²⁵ = 30312097665869 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 (30312131220311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165152230015 + ... + 2165152230028.

It is an arithmetic number, because the mean of its divisors is an integer number (8660608920088).

Almost surely, 2^{30312131220301} is an apocalyptic number.

It is an amenable number.

30312131220301 is a deficient number, since it is larger than the sum of its proper divisors (4330304460051).

30312131220301 is an equidigital number, since it uses as much as digits as its factorization.

30312131220301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330304460050.

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

Adding to 30312131220301 its reverse (10302213121303), we get a palindrome (40614344341604).

The spelling of 30312131220301 in words is "thirty trillion, three hundred twelve billion, one hundred thirty-one million, two hundred twenty thousand, three hundred one".