311312130303 has 8 divisors (see below), whose sum is σ = 415759976368. Its totient is φ = 207202852224.

The previous prime is 311312130281. The next prime is 311312130307. The reversal of 311312130303 is 303031213113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311312130303 - 2¹⁰ = 311312129279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311312130303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311312130307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84639850 + ... + 84643527.

It is an arithmetic number, because the mean of its divisors is an integer number (51969997046).

Almost surely, 2^311312130303 is an apocalyptic number.

311312130303 is a deficient number, since it is larger than the sum of its proper divisors (104447846065).

311312130303 is a wasteful number, since it uses less digits than its factorization.

311312130303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169283993.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 311312130303 its reverse (303031213113), we get a palindrome (614343343416).

The spelling of 311312130303 in words is "three hundred eleven billion, three hundred twelve million, one hundred thirty thousand, three hundred three".