6311123317 has 4 divisors (see below), whose sum is σ = 6465053196. Its totient is φ = 6157193440.

The previous prime is 6311123303. The next prime is 6311123321. The reversal of 6311123317 is 7133211136.

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 2740941316 + 3570182001 = 52354^2 + 59751^2 .

It is a cyclic number.

It is not a de Polignac number, because 6311123317 - 2¹⁵ = 6311090549 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 (6311120317) 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, 76964878 + ... + 76964959.

It is an arithmetic number, because the mean of its divisors is an integer number (1616263299).

Almost surely, 2^6311123317 is an apocalyptic number.

It is an amenable number.

6311123317 is a deficient number, since it is larger than the sum of its proper divisors (153929879).

6311123317 is a wasteful number, since it uses less digits than its factorization.

6311123317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153929878.

The product of its digits is 2268, while the sum is 28.

The square root of 6311123317 is about 79442.5787408742. The cubic root of 6311123317 is about 1848.0010858619.

The spelling of 6311123317 in words is "six billion, three hundred eleven million, one hundred twenty-three thousand, three hundred seventeen".