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31204200203 = 113478175059
BaseRepresentation
bin11101000011111010…
…100100111100001011
32222112200012121111122
4131003322210330023
51002401233401303
622200210145455
72153161216421
oct350372447413
988480177448
1031204200203
1112262a59510
12606a28228b
132c339ca2b7
14172034d111
15c296e3e38
hex743ea4f0b

31204200203 has 8 divisors (see below), whose sum is σ = 34139050560. Its totient is φ = 28285700680.

The previous prime is 31204200197. The next prime is 31204200233. The reversal of 31204200203 is 30200240213.

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 31204200203 - 222 = 31200005899 is a prime.

It is a super-2 number, since 2×312042002032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31204200233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4083713 + ... + 4091346.

It is an arithmetic number, because the mean of its divisors is an integer number (4267381320).

Almost surely, 231204200203 is an apocalyptic number.

31204200203 is a deficient number, since it is larger than the sum of its proper divisors (2934850357).

31204200203 is a wasteful number, since it uses less digits than its factorization.

31204200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175417.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 31204200203 its reverse (30200240213), we get a palindrome (61404440416).

The spelling of 31204200203 in words is "thirty-one billion, two hundred four million, two hundred thousand, two hundred three".

Divisors: 1 11 347 3817 8175059 89925649 2836745473 31204200203