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3112142311 = 4616750851
BaseRepresentation
bin1011100101111111…
…1000010111100111
322000220001012200001
42321133320113213
522333202023221
61232452002131
7140056526125
oct27137702747
98026035601
103112142311
1113577a5643
1272a300347
133a79b9a35
14217478915
15133346391
hexb97f85e7

3112142311 has 4 divisors (see below), whose sum is σ = 3118893624. Its totient is φ = 3105391000.

The previous prime is 3112142309. The next prime is 3112142317. The reversal of 3112142311 is 1132412113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3112142311 - 21 = 3112142309 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 (3112142317) 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, 3374965 + ... + 3375886.

It is an arithmetic number, because the mean of its divisors is an integer number (779723406).

Almost surely, 23112142311 is an apocalyptic number.

3112142311 is a deficient number, since it is larger than the sum of its proper divisors (6751313).

3112142311 is an equidigital number, since it uses as much as digits as its factorization.

3112142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751312.

The product of its digits is 144, while the sum is 19.

The square root of 3112142311 is about 55786.5782334783. The cubic root of 3112142311 is about 1460.0009868949. Note that the first 3 decimals are identical.

Adding to 3112142311 its reverse (1132412113), we get a palindrome (4244554424).

The spelling of 3112142311 in words is "three billion, one hundred twelve million, one hundred forty-two thousand, three hundred eleven".

Divisors: 1 461 6750851 3112142311