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2031203122 = 213101773497
BaseRepresentation
bin111100100010001…
…1011001100110010
312020120001210212021
41321010123030302
513124441444442
6533315422054
7101222640664
oct17104331462
95216053767
102031203122
11952619a73
124882b492a
13264a80b50
14153a9c534
15bd4c7e67
hex7911b332

2031203122 has 16 divisors (see below), whose sum is σ = 3313665432. Its totient is φ = 928195200.

The previous prime is 2031203107. The next prime is 2031203143. The reversal of 2031203122 is 2213021302.

It can be written as a sum of positive squares in 4 ways, for example, as 1623203521 + 407999601 = 40289^2 + 20199^2 .

It is a super-2 number, since 2×20312031222 = 8251572245645093768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031203096 and 2031203105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384123 + ... + 389374.

Almost surely, 22031203122 is an apocalyptic number.

2031203122 is a deficient number, since it is larger than the sum of its proper divisors (1282462310).

2031203122 is a wasteful number, since it uses less digits than its factorization.

2031203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773613.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2031203122 is about 45068.8708755833. The cubic root of 2031203122 is about 1266.4395121594.

Adding to 2031203122 its reverse (2213021302), we get a palindrome (4244224424).

The spelling of 2031203122 in words is "two billion, thirty-one million, two hundred three thousand, one hundred twenty-two".

Divisors: 1 2 13 26 101 202 1313 2626 773497 1546994 10055461 20110922 78123197 156246394 1015601561 2031203122