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2120231001131 = 4937795154013
BaseRepresentation
bin11110110110100111100…
…111011001110000101011
321111200200112200112102222
4132312213213121300223
5234214213114014011
64302004244344255
7306116205103115
oct36664747316053
97450615615388
102120231001131
11748204142531
122a2ab90a508b
13124c2456b5a9
14748967683b5
153a2433b2ddb
hex1eda79d9c2b

2120231001131 has 8 divisors (see below), whose sum is σ = 2120966441664. Its totient is φ = 2119495694400.

The previous prime is 2120231001089. The next prime is 2120231001181. The reversal of 2120231001131 is 1311001320212.

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 2120231001131 - 226 = 2120163892267 is a prime.

It is a super-2 number, since 2×21202310011312 (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 (2120231001181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39227081 + ... + 39281093.

It is an arithmetic number, because the mean of its divisors is an integer number (265120805208).

Almost surely, 22120231001131 is an apocalyptic number.

2120231001131 is a deficient number, since it is larger than the sum of its proper divisors (735440533).

2120231001131 is an equidigital number, since it uses as much as digits as its factorization.

2120231001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66901.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2120231001131 its reverse (1311001320212), we get a palindrome (3431232321343).

The spelling of 2120231001131 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, one thousand, one hundred thirty-one".

Divisors: 1 4937 7951 54013 39254087 266662181 429457363 2120231001131