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2131331032 = 23266416379
BaseRepresentation
bin111111100001001…
…1000011111011000
312111112110211112101
41333002120133120
513331110043112
6551253453144
7103550005045
oct17702303730
95445424471
102131331032
119a4098606
124b59411b4
1327c73a92c
141630c41cc
15c71a5757
hex7f0987d8

2131331032 has 8 divisors (see below), whose sum is σ = 3996245700. Its totient is φ = 1065665512.

The previous prime is 2131331011. The next prime is 2131331047. The reversal of 2131331032 is 2301331312.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 133208182 + ... + 133208197.

Almost surely, 22131331032 is an apocalyptic number.

It is an amenable number.

2131331032 is a deficient number, since it is larger than the sum of its proper divisors (1864914668).

2131331032 is a wasteful number, since it uses less digits than its factorization.

2131331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266416385 (or 266416381 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2131331032 is about 46166.3408989710. The cubic root of 2131331032 is about 1286.9163032621.

Adding to 2131331032 its reverse (2301331312), we get a palindrome (4432662344).

The spelling of 2131331032 in words is "two billion, one hundred thirty-one million, three hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 266416379 532832758 1065665516 2131331032