311430001201313 has 4 divisors (see below), whose sum is σ = 311483502323988. Its totient is φ = 311376500078640.

The previous prime is 311430001201303. The next prime is 311430001201321. The reversal of 311430001201313 is 313102100034113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 265101667855249 + 46328333346064 = 16281943^2 + 6806492^2 .

It is a cyclic number.

It is not a de Polignac number, because 311430001201313 - 2¹⁶ = 311430001135777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311430001201303) 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, 26750552606 + ... + 26750564247.

It is an arithmetic number, because the mean of its divisors is an integer number (77870875580997).

Almost surely, 2^{311430001201313} is an apocalyptic number.

It is an amenable number.

311430001201313 is a deficient number, since it is larger than the sum of its proper divisors (53501122675).

311430001201313 is an equidigital number, since it uses as much as digits as its factorization.

311430001201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53501122674.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 311430001201313 its reverse (313102100034113), we get a palindrome (624532101235426).

The spelling of 311430001201313 in words is "three hundred eleven trillion, four hundred thirty billion, one million, two hundred one thousand, three hundred thirteen".