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2030313111 = 31797410413
BaseRepresentation
bin111100100000100…
…0001111010010111
312020111101120222220
41321001001322113
513124230004421
6533244353423
7101212243131
oct17101017227
95214346886
102030313111
11952071322
12487b45873
1326482ba08
1415390a051
15bd39e3c6
hex79041e97

2030313111 has 16 divisors (see below), whose sum is σ = 2895881184. Its totient is φ = 1260785664.

The previous prime is 2030313079. The next prime is 2030313121. The reversal of 2030313111 is 1113130302.

It is not a de Polignac number, because 2030313111 - 25 = 2030313079 is a prime.

It is a super-3 number, since 3×20303131113 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030313121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200260 + ... + 210153.

It is an arithmetic number, because the mean of its divisors is an integer number (180992574).

Almost surely, 22030313111 is an apocalyptic number.

2030313111 is a deficient number, since it is larger than the sum of its proper divisors (865568073).

2030313111 is a wasteful number, since it uses less digits than its factorization.

2030313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410530.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2030313111 is about 45058.9958942718. The cubic root of 2030313111 is about 1266.2545134672.

Adding to 2030313111 its reverse (1113130302), we get a palindrome (3143443413).

The spelling of 2030313111 in words is "two billion, thirty million, three hundred thirteen thousand, one hundred eleven".

Divisors: 1 3 17 51 97 291 1649 4947 410413 1231239 6977021 20931063 39810061 119430183 676771037 2030313111