Search a number
-
+
231133103103247 is a prime number
BaseRepresentation
bin110100100011011011011110…
…100000011001110100001111
31010022101002221100201110120021
4310203123132200121310033
5220243341043343300442
62135325025352403011
766453546522331462
oct6443333640316417
91108332840643507
10231133103103247
1167711aa908a864
1221b0b1886a6467
139bc79b1711b47
144110c8aa872d9
151bac480aa0e67
hexd236de819d0f

231133103103247 has 2 divisors, whose sum is σ = 231133103103248. Its totient is φ = 231133103103246.

The previous prime is 231133103103229. The next prime is 231133103103299. The reversal of 231133103103247 is 742301301331132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231133103103247 is a prime.

It is a super-3 number, since 3×2311331031032473 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231133103103047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115566551551623 + 115566551551624.

It is an arithmetic number, because the mean of its divisors is an integer number (115566551551624).

Almost surely, 2231133103103247 is an apocalyptic number.

231133103103247 is a deficient number, since it is larger than the sum of its proper divisors (1).

231133103103247 is an equidigital number, since it uses as much as digits as its factorization.

231133103103247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 231133103103247 its reverse (742301301331132), we get a palindrome (973434404434379).

The spelling of 231133103103247 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, one hundred three million, one hundred three thousand, two hundred forty-seven".