Search a number
-
+
3111411313 = 5520756359
BaseRepresentation
bin1011100101110100…
…0101111001110001
322000211200001221001
42321131011321301
522333010130223
61232424202001
7140050363003
oct27135057161
98024601831
103111411313
11135734640a
1272a009301
133a77c20aa
14217328373
1513324e9ad
hexb9745e71

3111411313 has 4 divisors (see below), whose sum is σ = 3111522880. Its totient is φ = 3111299748.

The previous prime is 3111411307. The next prime is 3111411337. The reversal of 3111411313 is 3131141113.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3111411313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111411343) 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, 27028 + ... + 83386.

It is an arithmetic number, because the mean of its divisors is an integer number (777880720).

Almost surely, 23111411313 is an apocalyptic number.

It is an amenable number.

3111411313 is a deficient number, since it is larger than the sum of its proper divisors (111567).

3111411313 is an equidigital number, since it uses as much as digits as its factorization.

3111411313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111566.

The product of its digits is 108, while the sum is 19.

The square root of 3111411313 is about 55780.0261115034. The cubic root of 3111411313 is about 1459.8866667828.

Adding to 3111411313 its reverse (3131141113), we get a palindrome (6242552426).

The spelling of 3111411313 in words is "three billion, one hundred eleven million, four hundred eleven thousand, three hundred thirteen".

Divisors: 1 55207 56359 3111411313