Search a number
-
+
3131233132 = 225946728411
BaseRepresentation
bin1011101010100010…
…1101001101101100
322002012222010100111
42322220231031230
522403043430012
61234413105404
7140411020366
oct27250551554
98065863314
103131233132
111367554885
12734788264
133ab942391
14219c07d36
15134d67ba7
hexbaa2d36c

3131233132 has 24 divisors (see below), whose sum is σ = 5584662720. Its totient is φ = 1535730960.

The previous prime is 3131233129. The next prime is 3131233139. The reversal of 3131233132 is 2313321313.

It is not an unprimeable number, because it can be changed into a prime (3131233139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96007 + ... + 124417.

It is an arithmetic number, because the mean of its divisors is an integer number (232694280).

Almost surely, 23131233132 is an apocalyptic number.

It is an amenable number.

3131233132 is a deficient number, since it is larger than the sum of its proper divisors (2453429588).

3131233132 is a wasteful number, since it uses less digits than its factorization.

3131233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28941 (or 28939 counting only the distinct ones).

The product of its digits is 972, while the sum is 22.

The square root of 3131233132 is about 55957.4224924630. The cubic root of 3131233132 is about 1462.9802655976.

Adding to 3131233132 its reverse (2313321313), we get a palindrome (5444554445).

The spelling of 3131233132 in words is "three billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 59 118 236 467 934 1868 27553 28411 55106 56822 110212 113644 1676249 3352498 6704996 13267937 26535874 53071748 782808283 1565616566 3131233132