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3131301832 = 23391412729
BaseRepresentation
bin1011101010100011…
…1101111111001000
322002020002121120221
42322220331333020
522403103124312
61234414355424
7140411424601
oct27250757710
98066077527
103131301832
1113675a145a
127347bbb74
133ab967729
14219c24da8
15134d7d207
hexbaa3dfc8

3131301832 has 8 divisors (see below), whose sum is σ = 5871190950. Its totient is φ = 1565650912.

The previous prime is 3131301829. The next prime is 3131301881. The reversal of 3131301832 is 2381031313.

It can be written as a sum of positive squares in only one way, i.e., 2828750596 + 302551236 = 53186^2 + 17394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3131301797 and 3131301806.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 195706357 + ... + 195706372.

Almost surely, 23131301832 is an apocalyptic number.

It is an amenable number.

3131301832 is a deficient number, since it is larger than the sum of its proper divisors (2739889118).

3131301832 is a wasteful number, since it uses less digits than its factorization.

3131301832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391412735 (or 391412731 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3131301832 is about 55958.0363486783. The cubic root of 3131301832 is about 1462.9909648978.

The spelling of 3131301832 in words is "three billion, one hundred thirty-one million, three hundred one thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 391412729 782825458 1565650916 3131301832