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2031303132 = 2232101955373
BaseRepresentation
bin111100100010011…
…0011100111011100
312020120020220001100
41321010303213130
513130003200012
6533321513100
7101223535365
oct17104634734
95216226040
102031303132
11952688121
12488342790
13264ab7521
14153ac6b6c
15bd4e78dc
hex791339dc

2031303132 has 36 divisors (see below), whose sum is σ = 5139814680. Its totient is φ = 676424352.

The previous prime is 2031303107. The next prime is 2031303133. The reversal of 2031303132 is 2313031302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031303133) 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 11 ways as a sum of consecutive naturals, for example, 8998 + ... + 64370.

It is an arithmetic number, because the mean of its divisors is an integer number (142772630).

Almost surely, 22031303132 is an apocalyptic number.

It is an amenable number.

2031303132 is an abundant number, since it is smaller than the sum of its proper divisors (3108511548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031303132 is a wasteful number, since it uses less digits than its factorization.

2031303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56402 (or 56397 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2031303132 is about 45069.9803860619. The cubic root of 2031303132 is about 1266.4602969734.

Adding to 2031303132 its reverse (2313031302), we get a palindrome (4344334434).

The spelling of 2031303132 in words is "two billion, thirty-one million, three hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1019 2038 3057 4076 6114 9171 12228 18342 36684 55373 110746 166119 221492 332238 498357 664476 996714 1993428 56425087 112850174 169275261 225700348 338550522 507825783 677101044 1015651566 2031303132