Search a number
-
+
231011107 is a prime number
BaseRepresentation
bin11011100010011…
…11001100100011
3121002200120122221
431301033030203
5433114323412
634531211511
75503363525
oct1561171443
9532616587
10231011107
11109444078
1265446b97
1338b24582
1422975a15
1515432b07
hexdc4f323

231011107 has 2 divisors, whose sum is σ = 231011108. Its totient is φ = 231011106.

The previous prime is 231011083. The next prime is 231011119. The reversal of 231011107 is 701110132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231011107 - 215 = 230978339 is a prime.

It is a super-2 number, since 2×2310111072 = 106732263114730898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231011197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505553 + 115505554.

It is an arithmetic number, because the mean of its divisors is an integer number (115505554).

Almost surely, 2231011107 is an apocalyptic number.

231011107 is a deficient number, since it is larger than the sum of its proper divisors (1).

231011107 is an equidigital number, since it uses as much as digits as its factorization.

231011107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 231011107 is about 15199.0495426523. The cubic root of 231011107 is about 613.5890778990.

Adding to 231011107 its reverse (701110132), we get a palindrome (932121239).

The spelling of 231011107 in words is "two hundred thirty-one million, eleven thousand, one hundred seven".