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2311131133 = 291913971051
BaseRepresentation
bin1000100111000001…
…0000111111111101
312222001210121220101
42021300100333331
514213122144013
61021155321101
7111162201433
oct21160207775
95861717811
102311131133
11a86634033
12545bb0191
132aaa7181c
1417cd28d53
15d7d6e8dd
hex89c10ffd

2311131133 has 16 divisors (see below), whose sum is σ = 2411688960. Its totient is φ = 2212056000.

The previous prime is 2311131077. The next prime is 2311131143. The reversal of 2311131133 is 3311311132.

It is a cyclic number.

It is not a de Polignac number, because 2311131133 - 213 = 2311122941 is a prime.

It is a super-2 number, since 2×23111311332 = 10682654227843727378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311131133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311131143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2198458 + ... + 2199508.

It is an arithmetic number, because the mean of its divisors is an integer number (150730560).

Almost surely, 22311131133 is an apocalyptic number.

It is an amenable number.

2311131133 is a deficient number, since it is larger than the sum of its proper divisors (100557827).

2311131133 is a wasteful number, since it uses less digits than its factorization.

2311131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668.

The product of its digits is 162, while the sum is 19.

The square root of 2311131133 is about 48074.2252459673. The cubic root of 2311131133 is about 1322.1321397819.

Adding to 2311131133 its reverse (3311311132), we get a palindrome (5622442265).

The spelling of 2311131133 in words is "two billion, three hundred eleven million, one hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 29 191 397 1051 5539 11513 30479 75827 200741 417247 2198983 5821489 12100163 79694177 2311131133