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3131131132 = 224119092263
BaseRepresentation
bin1011101010100001…
…0100010011111100
322002012202221102201
42322220110103330
522403032144012
61234411001244
7140410114123
oct27250242374
98065687381
103131131132
111367495188
12734739224
133ab907b1c
14219bbcaba
15134d47857
hexbaa144fc

3131131132 has 12 divisors (see below), whose sum is σ = 5613125616. Its totient is φ = 1527380960.

The previous prime is 3131131103. The next prime is 3131131139. The reversal of 3131131132 is 2311311313.

3131131132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131131139) 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, 9545968 + ... + 9546295.

It is an arithmetic number, because the mean of its divisors is an integer number (467760468).

Almost surely, 23131131132 is an apocalyptic number.

It is an amenable number.

3131131132 is a deficient number, since it is larger than the sum of its proper divisors (2481994484).

3131131132 is a wasteful number, since it uses less digits than its factorization.

3131131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092308 (or 19092306 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 3131131132 is about 55956.5110778004. The cubic root of 3131131132 is about 1462.9643798852.

Adding to 3131131132 its reverse (2311311313), we get a palindrome (5442442445).

The spelling of 3131131132 in words is "three billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 41 82 164 19092263 38184526 76369052 782782783 1565565566 3131131132