Search a number
-
+
3130131310 = 25385181281
BaseRepresentation
bin1011101010010010…
…0000001101101110
322002010220010221021
42322210200031232
522402303200220
61234333324354
7140365451155
oct27244401556
98063803837
103130131310
111366971a89
127343366ba
133ab647a07
142199dc59c
15134beb4aa
hexba92036e

3130131310 has 16 divisors (see below), whose sum is σ = 5635768752. Its totient is φ = 1251712000.

The previous prime is 3130131289. The next prime is 3130131311. The reversal of 3130131310 is 131310313.

It is a super-2 number, since 2×31301313102 = 19595444035684632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130131311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 79150.

It is an arithmetic number, because the mean of its divisors is an integer number (352235547).

Almost surely, 23130131310 is an apocalyptic number.

3130131310 is a deficient number, since it is larger than the sum of its proper divisors (2505637442).

3130131310 is a wasteful number, since it uses less digits than its factorization.

3130131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85139.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 3130131310 is about 55947.5764443823. The cubic root of 3130131310 is about 1462.8086470603.

Adding to 3130131310 its reverse (131310313), we get a palindrome (3261441623).

The spelling of 3130131310 in words is "three billion, one hundred thirty million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 3851 7702 19255 38510 81281 162562 406405 812810 313013131 626026262 1565065655 3130131310