2311313312203 has 8 divisors (see below), whose sum is σ = 2649069701600. Its totient is φ = 1975449116160.

The previous prime is 2311313312177. The next prime is 2311313312219. The reversal of 2311313312203 is 3022133131132.

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

It is a cyclic number.

It is not a de Polignac number, because 2311313312203 - 2¹⁷ = 2311313181131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311313315203) 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, 473045718 + ... + 473050603.

It is an arithmetic number, because the mean of its divisors is an integer number (331133712700).

Almost surely, 2^{2311313312203} is an apocalyptic number.

2311313312203 is a deficient number, since it is larger than the sum of its proper divisors (337756389397).

2311313312203 is an equidigital number, since it uses as much as digits as its factorization.

2311313312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946096677.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2311313312203 its reverse (3022133131132), we get a palindrome (5333446443335).

The spelling of 2311313312203 in words is "two trillion, three hundred eleven billion, three hundred thirteen million, three hundred twelve thousand, two hundred three".