Search a number
-
+
2313122101231 is a prime number
BaseRepresentation
bin100001101010010000110…
…100100011011111101111
322012010120110022200120111
4201222100310203133233
5300344233224214411
64530344510200451
7326055215310334
oct41522064433757
98163513280514
102313122101231
11811a98139a47
1231436bab3127
1313a184b46106
147dd5466298b
15402826ab721
hex21a90d237ef

2313122101231 has 2 divisors, whose sum is σ = 2313122101232. Its totient is φ = 2313122101230.

The previous prime is 2313122101223. The next prime is 2313122101249. The reversal of 2313122101231 is 1321012213132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2313122101231 - 23 = 2313122101223 is a prime.

It is a super-2 number, since 2×23131221012312 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313122104231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156561050615 + 1156561050616.

It is an arithmetic number, because the mean of its divisors is an integer number (1156561050616).

Almost surely, 22313122101231 is an apocalyptic number.

2313122101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313122101231 is an equidigital number, since it uses as much as digits as its factorization.

2313122101231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2313122101231 its reverse (1321012213132), we get a palindrome (3634134314363).

The spelling of 2313122101231 in words is "two trillion, three hundred thirteen billion, one hundred twenty-two million, one hundred one thousand, two hundred thirty-one".