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3131134313 = 4766619879
BaseRepresentation
bin1011101010100001…
…0101000101101001
322002012210002210112
42322220111011221
522403032244223
61234411024105
7140410126316
oct27250250551
98065702715
103131134313
11136749760a
1273473b035
133ab9093c8
14219bbdd0d
15134d48778
hexbaa15169

3131134313 has 4 divisors (see below), whose sum is σ = 3197754240. Its totient is φ = 3064514388.

The previous prime is 3131134309. The next prime is 3131134373. The reversal of 3131134313 is 3134311313.

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.

It is a cyclic number.

It is not a de Polignac number, because 3131134313 - 22 = 3131134309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131134373) 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, 33309893 + ... + 33309986.

It is an arithmetic number, because the mean of its divisors is an integer number (799438560).

Almost surely, 23131134313 is an apocalyptic number.

It is an amenable number.

3131134313 is a deficient number, since it is larger than the sum of its proper divisors (66619927).

3131134313 is an equidigital number, since it uses as much as digits as its factorization.

3131134313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66619926.

The product of its digits is 972, while the sum is 23.

The square root of 3131134313 is about 55956.5395016525. The cubic root of 3131134313 is about 1462.9648753066.

Adding to 3131134313 its reverse (3134311313), we get a palindrome (6265445626).

The spelling of 3131134313 in words is "three billion, one hundred thirty-one million, one hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 47 66619879 3131134313