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2031302243 = 83103237607
BaseRepresentation
bin111100100010011…
…0011011001100011
312020120020211211102
41321010303121203
513130003132433
6533321505015
7101223532655
oct17104633143
95216224742
102031302243
11952687493
1248834216b
13264ab6cb9
14153ac66d5
15bd4e74e8
hex79133663

2031302243 has 8 divisors (see below), whose sum is σ = 2075743488. Its totient is φ = 1987336584.

The previous prime is 2031302233. The next prime is 2031302281. The reversal of 2031302243 is 3422031302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031302243 - 216 = 2031236707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031302213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110255 + ... + 127352.

It is an arithmetic number, because the mean of its divisors is an integer number (259467936).

Almost surely, 22031302243 is an apocalyptic number.

2031302243 is a deficient number, since it is larger than the sum of its proper divisors (44441245).

2031302243 is a wasteful number, since it uses less digits than its factorization.

2031302243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237793.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2031302243 is about 45069.9705236203. The cubic root of 2031302243 is about 1266.4601122179.

Adding to 2031302243 its reverse (3422031302), we get a palindrome (5453333545).

The spelling of 2031302243 in words is "two billion, thirty-one million, three hundred two thousand, two hundred forty-three".

Divisors: 1 83 103 8549 237607 19721381 24473521 2031302243