6311343145 has 16 divisors (see below), whose sum is σ = 7994350080. Its totient is φ = 4783307760.

The previous prime is 6311343139. The next prime is 6311343149. The reversal of 6311343145 is 5413431136.

It is a de Polignac number, because none of the positive numbers 2^k-6311343145 is a prime.

It is a super-3 number, since 3×6311343145³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6311343149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57721 + ... + 126310.

It is an arithmetic number, because the mean of its divisors is an integer number (499646880).

Almost surely, 2^6311343145 is an apocalyptic number.

It is an amenable number.

6311343145 is a deficient number, since it is larger than the sum of its proper divisors (1683006935).

6311343145 is an equidigital number, since it uses as much as digits as its factorization.

6311343145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184093 (or 184055 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 6311343145 is about 79443.9622941857. The cubic root of 6311343145 is about 1848.0225420351.

The spelling of 6311343145 in words is "six billion, three hundred eleven million, three hundred forty-three thousand, one hundred forty-five".