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2133112020131 = 2143995385917
BaseRepresentation
bin11111000010100111011…
…000100101110010100011
321112220221020121002122202
4133002213120211302203
5234422103134121011
64311534345323415
7310053335002301
oct37024730456243
97486836532582
102133112020131
11752714141784
122a54b2a9656b
131261c80b2121
14753593a1271
153a74916123b
hex1f0a7625ca3

2133112020131 has 4 divisors (see below), whose sum is σ = 2134107408192. Its totient is φ = 2132116632072.

The previous prime is 2133112020119. The next prime is 2133112020161. The reversal of 2133112020131 is 1310202113312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2133112020131 is a prime.

It is a super-2 number, since 2×21331120201312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133112020161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497690816 + ... + 497695101.

It is an arithmetic number, because the mean of its divisors is an integer number (533526852048).

Almost surely, 22133112020131 is an apocalyptic number.

2133112020131 is a deficient number, since it is larger than the sum of its proper divisors (995388061).

2133112020131 is an equidigital number, since it uses as much as digits as its factorization.

2133112020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995388060.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2133112020131 its reverse (1310202113312), we get a palindrome (3443314133443).

The spelling of 2133112020131 in words is "two trillion, one hundred thirty-three billion, one hundred twelve million, twenty thousand, one hundred thirty-one".

Divisors: 1 2143 995385917 2133112020131