300312012021311 has 4 divisors (see below), whose sum is σ = 300312533781624. Its totient is φ = 300311490261000.

The previous prime is 300312012021251. The next prime is 300312012021349. The reversal of 300312012021311 is 113120210213003.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300312012021311 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 (300312012021361) 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, 260015840 + ... + 261168261.

It is an arithmetic number, because the mean of its divisors is an integer number (75078133445406).

Almost surely, 2^{300312012021311} is an apocalyptic number.

300312012021311 is a deficient number, since it is larger than the sum of its proper divisors (521760313).

300312012021311 is an equidigital number, since it uses as much as digits as its factorization.

300312012021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521760312.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 300312012021311 its reverse (113120210213003), we get a palindrome (413432222234314).

The spelling of 300312012021311 in words is "three hundred trillion, three hundred twelve billion, twelve million, twenty-one thousand, three hundred eleven".