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2031442361 = 132192232837
BaseRepresentation
bin111100100010101…
…0101100110111001
312020120111222000222
41321011111212321
513130022123421
6533324505425
7101224655324
oct17105254671
95216458028
102031442361
11952772793
124883ab275
13264b35a00
14153b217bb
15bd523cab
hex791559b9

2031442361 has 24 divisors (see below), whose sum is σ = 2326705920. Its totient is φ = 1767894336.

The previous prime is 2031442351. The next prime is 2031442417. The reversal of 2031442361 is 1632441302.

It is not a de Polignac number, because 2031442361 - 222 = 2027248057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031442361.

It is not an unprimeable number, because it can be changed into a prime (2031442351) 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 23 ways as a sum of consecutive naturals, for example, 714635 + ... + 717471.

It is an arithmetic number, because the mean of its divisors is an integer number (96946080).

Almost surely, 22031442361 is an apocalyptic number.

It is an amenable number.

2031442361 is a deficient number, since it is larger than the sum of its proper divisors (295263559).

2031442361 is a wasteful number, since it uses less digits than its factorization.

2031442361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2031442361 is about 45071.5249464670. The cubic root of 2031442361 is about 1266.4892314325.

Adding to 2031442361 its reverse (1632441302), we get a palindrome (3663883663).

The spelling of 2031442361 in words is "two billion, thirty-one million, four hundred forty-two thousand, three hundred sixty-one".

Divisors: 1 13 19 169 223 247 2837 2899 3211 4237 36881 37687 53903 55081 479453 632651 700739 716053 8224463 9109607 12020369 106918019 156264797 2031442361