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2131114123 = 3757597679
BaseRepresentation
bin111111100000110…
…0011100010001011
312111112001210222201
41333001203202023
513331031122443
6551245101031
7103545112465
oct17701434213
95445053881
102131114123
119a3a5a646
124b5857777
1327c692c98
14163069135
15c716134d
hex7f06388b

2131114123 has 4 divisors (see below), whose sum is σ = 2188711840. Its totient is φ = 2073516408.

The previous prime is 2131114103. The next prime is 2131114129. The reversal of 2131114123 is 3214111312.

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

It is not a de Polignac number, because 2131114123 - 213 = 2131105931 is a prime.

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 2131114123.

It is not an unprimeable number, because it can be changed into a prime (2131114129) 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, 28798803 + ... + 28798876.

It is an arithmetic number, because the mean of its divisors is an integer number (547177960).

Almost surely, 22131114123 is an apocalyptic number.

2131114123 is a deficient number, since it is larger than the sum of its proper divisors (57597717).

2131114123 is an equidigital number, since it uses as much as digits as its factorization.

2131114123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57597716.

The product of its digits is 144, while the sum is 19.

The square root of 2131114123 is about 46163.9916276745. The cubic root of 2131114123 is about 1286.8726445977.

Adding to 2131114123 its reverse (3214111312), we get a palindrome (5345225435).

The spelling of 2131114123 in words is "two billion, one hundred thirty-one million, one hundred fourteen thousand, one hundred twenty-three".

Divisors: 1 37 57597679 2131114123