Search a number
-
+
2131122353 is a prime number
BaseRepresentation
bin111111100000110…
…0101100010110001
312111112002020021112
41333001211202301
513331031403403
6551245203105
7103545145463
oct17701454261
95445066245
102131122353
119a3a65848
124b5860495
1327c696959
1416306c133
15c71639d8
hex7f0658b1

2131122353 has 2 divisors, whose sum is σ = 2131122354. Its totient is φ = 2131122352.

The previous prime is 2131122283. The next prime is 2131122443. The reversal of 2131122353 is 3532211312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1460156944 + 670965409 = 38212^2 + 25903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131122353 - 212 = 2131118257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131122053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065561176 + 1065561177.

It is an arithmetic number, because the mean of its divisors is an integer number (1065561177).

Almost surely, 22131122353 is an apocalyptic number.

It is an amenable number.

2131122353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131122353 is an equidigital number, since it uses as much as digits as its factorization.

2131122353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 2131122353 is about 46164.0807663274. The cubic root of 2131122353 is about 1286.8743011566.

Adding to 2131122353 its reverse (3532211312), we get a palindrome (5663333665).

The spelling of 2131122353 in words is "two billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred fifty-three".