Search a number
-
+
3131423134 = 27415455441
BaseRepresentation
bin1011101010100101…
…1011100110011110
322002020022202222121
42322221123212132
522403121020014
61234421133154
7140412441340
oct27251334636
98066282877
103131423134
111367674604
1273485a1ba
133ab9aa9c8
14219c57290
15134da4124
hexbaa5b99e

3131423134 has 16 divisors (see below), whose sum is σ = 5499085536. Its totient is φ = 1309305600.

The previous prime is 3131423131. The next prime is 3131423147. The reversal of 3131423134 is 4313241313.

It is a junction number, because it is equal to n+sod(n) for n = 3131423099 and 3131423108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131423131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727147 + ... + 2728294.

It is an arithmetic number, because the mean of its divisors is an integer number (343692846).

Almost surely, 23131423134 is an apocalyptic number.

3131423134 is a deficient number, since it is larger than the sum of its proper divisors (2367662402).

3131423134 is a wasteful number, since it uses less digits than its factorization.

3131423134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455491.

The product of its digits is 2592, while the sum is 25.

The square root of 3131423134 is about 55959.1202039489. The cubic root of 3131423134 is about 1463.0098560223.

Adding to 3131423134 its reverse (4313241313), we get a palindrome (7444664447).

The spelling of 3131423134 in words is "three billion, one hundred thirty-one million, four hundred twenty-three thousand, one hundred thirty-four".

Divisors: 1 2 7 14 41 82 287 574 5455441 10910882 38188087 76376174 223673081 447346162 1565711567 3131423134