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31320102203 = 134095890559
BaseRepresentation
bin11101001010110100…
…101101010100111011
32222211202022001011022
4131022310231110323
51003120421232303
622215510253055
72156066322215
oct351264552473
988752261138
1031320102203
1112312421395
1260a105718b
132c51a1ab70
1417318bd5b5
15c3498a438
hex74ad2d53b

31320102203 has 8 divisors (see below), whose sum is σ = 33811814400. Its totient is φ = 28840171968.

The previous prime is 31320102199. The next prime is 31320102211. The reversal of 31320102203 is 30220102313.

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 31320102203 - 22 = 31320102199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31320101203) 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, 2939963 + ... + 2950596.

It is an arithmetic number, because the mean of its divisors is an integer number (4226476800).

Almost surely, 231320102203 is an apocalyptic number.

31320102203 is a deficient number, since it is larger than the sum of its proper divisors (2491712197).

31320102203 is a wasteful number, since it uses less digits than its factorization.

31320102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890981.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31320102203 its reverse (30220102313), we get a palindrome (61540204516).

The spelling of 31320102203 in words is "thirty-one billion, three hundred twenty million, one hundred two thousand, two hundred three".

Divisors: 1 13 409 5317 5890559 76577267 2409238631 31320102203