2315311203273 has 4 divisors (see below), whose sum is σ = 3087081604368. Its totient is φ = 1543540802180.

The previous prime is 2315311203251. The next prime is 2315311203299. The reversal of 2315311203273 is 3723021135132.

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 a de Polignac number, because none of the positive numbers 2^k-2315311203273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2315311203223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385885200543 + ... + 385885200548.

It is an arithmetic number, because the mean of its divisors is an integer number (771770401092).

Almost surely, 2^{2315311203273} is an apocalyptic number.

It is an amenable number.

2315311203273 is a deficient number, since it is larger than the sum of its proper divisors (771770401095).

2315311203273 is an equidigital number, since it uses as much as digits as its factorization.

2315311203273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771770401094.

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 2315311203273 in words is "two trillion, three hundred fifteen billion, three hundred eleven million, two hundred three thousand, two hundred seventy-three".